You know he is not going to let us leave early if we __________ get the work done.
| A．can’t | B．may not |
| C．shouldn’t | D．mustn’t |
Both sides have accused of breaking the contract ___.
| A．another | B．the other | C．neither | D．each |
You know he is not going to let us leave early if we ___ get the work done.
| A．can't | B．may not | C．shouldn't | D．mustn't |
More and more young people are fond ___ playing tennis nowadays.
| A．on | B．to | C．in | D．of |
——When did it begin to snow? ——It started ____ the night.
| A．during | B．by | C．from | D．at |
--The weather is too cold ____ March this year. —It was still ____when I came here years ago.
| A．for; colder | B．in; cold | C．in; hot | D．for; hotter |