北语15秋《英语语法》作业1满分答案

北语15秋《英语语法》作业1满分答案

一、单选题（共 20 道试题，共 100 分。）

1. I know Mr. Brown; we ______ to each other at an international conference.

A. are introduced

B. are been introduced

C. were introduced

D. had been introduced

正确答案

：C

2. The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.

A. went

B. is going

C. goes

D. will be going

正确答案

：D

3. I can guess you were in a hurry. You ______ your sweater inside out.

A. had worn

B. wore

C. were wearing

D. are wearing

正确答案

：D

4. --- Where do you think ______ he ______ the computer? --- Sorry. I have no idea.

A. has/ bought

B. 不填/bought

C. did/buy

D. 不填/buys