The shirt looks very nice. I guess it is _______ 100 yuan.
| A．at first | B．at most |
| C．at least | D．at last |
---Mary, how much did you ______ the new watch?
---300 yuan.
| A．wait for | B．look for |
| C．pay for | D．care for |
---Linda, how is your physics project _______?
---Very well. I’ll finish it tomorrow.
| A．getting up | B．getting back |
| C．getting down | D．getting on |
I hope _______more robots to help people in the future.
| A．there were | B．there will have |
| C．there will be | D．there is |
---If there are _____people driving, there will be ______air pollution.
---Yes, the air will be fresher and cleaner.
| A．less, less | B．less, fewer |
| C．fewer, fewer | D．fewer, less |
I didn’t believe he could drive ________he told me.
| A．once | B．while | C．since | D．until |