---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 |
I had to buy of these books because I didn’t know which one was the best.
| A．both | B．none | C．neither | D．all |
My uncle is a careful driver, but he doesn’t drive as _________ as my friend.
| A．careful | B．more carefully | C．carefully | D．careless |
______ ，Andy found the shop on her left.
| A．At the end | B．In the end | C．By the end | D．At the end of |
The boss has given everyone a special holiday, so theygo to work tomorrow .
| A．can’t | B．needn’t | C．mustn’t | D．shouldn’t |
— Tom, is your brother a member of the Swimming Club?
—Yes. He _________ it for five years.
| A．has joined | B．has been in | C．joined | D．has joined in |