I think that's unlikely to happen, but if that_______, both America's and China's interest would be severely damaged.
| A．should occur | B．occurs |
| C．had occurred | D．is going to occur |
We met an old friend in New York ____our expectation. She waved at us ____ the street when she saw us.
| A．with, in | B．out of; next to | C．in; out of | D．beyond, from across |
Three years had gone by ____ he came to realize what a fool he was not to listen to the teachers !
| A．until | B．since | C． before | D．after |
To finish the homework, he spent four hours _______ in the study.
| A．locking | B．locked | C．locked himself | D．to lock |
— What did you think of her oral English?
— I was very ______.
| A．admirable | B．inspired | C．addictive | D．impressed |
You can’t imagine what difficulty I had _______ my parents to let me take part in a make-up show .
| A．persuaded | B．persuade | C．to persuade | D．persuading |