---Could you please come to the museum with me this afternoon?
---Sorry, I ______ . I have to take a piano lesson at 2 pm.
| A．couldn’t | B．mustn’t |
| C．can’t | D．needn’t |
The river is very long and it is about.
| A．20 metres wide | B．15 metres long | C．30 metres high | D．50 metres tall |
Xi’an is one ofcapitalin China.
| A．older, city | B．the older, city |
| C．oldest, cities | D．the oldest, cities |
our football team failed in the match, we did our best.
| A．Though | B．But | C．Because | D．As |
It’s too hot today. Please give a bottle of orange.
| A．mine | B．he | C．her | D．our |
This is empty bottle. Could you give mefull one?
| A．a, a | B．an, a | C．the, the | D．/, a |