—Have you finished your homework?
—Yes . I it just now.
| A．finish | B．finished |
| C．have finished | D．will finish |
According to the timetable, the plane ________ for Los Angeles at 5 in the afternoon.
A. would leave B. left
C leaves D. has left
I ________ hear the news very clearly since the noise outside is so loud.
| A．mustn’t | B．can’t |
| C．needn’t | D．may not |
Jenny enjoys reading and spends a lot of money on books __she is not rich.
| A．if | B．when |
| C．because | D．though |
Take a boat trip, ________ you will be attracted by the beauty of the Li River.
| A．and | B．or | C．so | D．but |
Don’t leave your seat ________ all the papers have been collected by the teacher.
| A．after | B．when |
| C．since | D．until |