--Is that Anna's car?
--It____be hers. She has just gone to the theater for the new opera.
| A．can't | B．mustn't | C．may | D．could |
Two ______ trees have been planted along the lake since 1998.
| A．thousands of | B．thousand of | C．thousands | D．thousand |
– Is it going to rain tomorrow?
– If it, we’ll have the match next week.
| A．does | B．is going to rain | C．will | D．is |
The Young Pioneers didn’t know.
| A．where will they go | B．what they would do next |
| C．when could they go | D．how did they get there |
The water is too hot. We’d betterright now.
| A．not to drink | B．don’ t drink | C．not drink | D．drink not |
Of all the sports shoes. John bought _______ pair. Then he had some money for socks.
| A．a cheaper | B．the most wonderful | C．the least expensive | D．an expensive |