—Could you tell me ______? —Sure, just five minutes ago.
| A．how long left he here. |
| B．how long has he left here. |
| C．when he left here. |
| D．when he has been from here. |
—Why is the classroom so quiet?
—Everybody ______ to watch the volleyball match.
A, is going
B. goes
C. went
D. has gone
—Look at the monkeys running around on the rocks together.
—Yes, the environment ______ to suit them very well. Let's see the tigers now.
| A．seems |
| B．feels |
| C．looks |
| D．goes |
—How much shall I pay for the telephone call?
—You _____. It's free.
| A．mustn't |
| B．shouldn't |
| C．don't have to |
| D．can't |
—Why did you plant so many trees?
— ______ the environment.
| A．Improve |
| B．To Improve |
| C．Improved |
| D．Improving |
—Can we finish the work with ______ money and ______ people?
—I'm afraid it's impossible.
| A．less; fewer |
| B．few; less |
| C．less; less |
| D．fewer; fewer |