超星 - Exercise 12 时态测试 - 查题吧

单选题

She _________English since she was a child.

A. learned
B. learning
C. learns
D. has been learning

单选题

I saw that she________at her homework at eleven last night.

A. was working
B. worked
C. works
D. has worked

单选题

He________trying to save a child in the earthquake.

A. was killed
B. is killed
C. has killed
D. killed

单选题

Visitors_________not to touch the exhibits.

A. requests
B. are requested
C. request
D. requested

1