The friendship grounded on common / shared interest does not break up easily. / It is not easy for the friendship grounded on common / shared interest to break up.
Children must learn to distinguish between violence and bravery / courage in computer games.
There spring up so many new things every day in the world that it is no longer sensible to expect a person to know / keep track of everything.
Laws do not regulate such things as betrayal to friends; that is why there is what we call / is called "the court of morality".
Today’s culture is described as “fast-food culture”. Whatever they may be / are doing, people just pursue the greatest / maximum satisfaction within the shortest time.
As the saying goes, there is no such thing as a free lunch. If you want something, go and earn / work for it.
In either friendship or love / In both friendship and love, you should never expect to take / receive the maximum while you give the minimum.
I built all my hopes on his promise(s), only to find that he was not a man of sincerity at all.
We took Mother to all the best hospitals we could find, but all our efforts were in vain; she failed to survive the disease.
4.情人节是一年一度在2月14日庆祝的节日，一个向自己心仪的对象表达爱意的好日子。Valentine’s Day is an annual holiday celebrated on February 14, a perfect day to express love to the object of your / one’s affection.
In the information era, communications with far-away friends via e-mail can be almost / virtually simultaneous.
Love takes time, for it is not forged until you have grown used to the other’s company and learned to appreciate the other.
They took their sick father on a long journey to Beijing in the hope of finding a cure for /in the hope of curing his heart disease / problem.
The campaign of Knowing More About AIDS needs to be carried on, and for / at this stage the emphasis is put on the way (how) the disease is contracted.
If power is properly applied / used / exercised, the lives of the common people will be rendered happy. If not, their daily life will be placed under threat.
Could a government justifiably use nuclear weapons to guard against terrorist attacks?
Owing to ignorance of the disease, many people still believe that HIV victims deserve what they suffer.
6.就发布的关于改善农村医疗系统的报告让我们相信农村地区缺医少药的时代终将结束。The newly issued report on improving the medical system in rural areas leads us to believe that the era is to be brought to an end when such areas are always short of doctors and medicines
As a proof of our hospitality, we Chinese will repeatedly ask our guests to help themselves to the dishes on the table.
It is by means of listening to what people say and observing how they behave that we’ve strengthened our own capacity to learn about / understand society.
One’s sense of safety comes from familiarity with the environment; so people have the tendency to resist or avoid new situations.
We tend to show prejudice against or even hostility towards people from a certain region, which can be attributed to the fact that we are unfamiliar with them.
I believe it is polite to decline directly, while my parents seldom say “No” so as not to embarrass others.
There are two means to build up knowledge: to get it personally or by second-hand experience. Reading, which opens up a new world of different cultures for us, belongs to second-hand experience.
Those who suppose they possess more privilege stend to have feelings of superiority.
High tariffs and an anti-dumping policy will undermine the competitive edge of the foreign products in the domestic market.
If all the departments can be well coordinated and all of us pull together for the common good, we are bound / sure to succeed.
To be on guard against theft, the school has issued regulations specifying the duties
of the door keepers / guards / janitors.
Good manners are always appreciated. It follows that good manners will enhance your chances of making friends with other people.
Punctuation marks should not be taken lightly; sometimes the use of a wrong punctuation mark can literally change / alter the meaning of a sentence.