--Who is making much noise?
---It ____ be Timmy. He is sleeping now.
| A．can’t | B．may not | C．mustn’t | D．couldn’t |
“Simon wants to know if the Class 3 students___ hiking tomorrow.”
“Yes, but if it _____ , they’ll visit the museum instead.”
| A．go; will rain | B．go; rains | C．will go; rains | D．will go; will rain |
I can’t decide _____ .
| A．to buy which one | B．which one to buy | C．to buy which | D．which to buy one |
“Do you mind if I sit here?”“_____ .It’s for Mr. Brown.”
| A．Not at all | B．Never mind | C．Better not | D．Of course not |
When you feel _____ to watch TV by then, you are all right.
| A．enough good | B．enough well | C．well enough | D．good enough |
Hobo has lots to eat and drink.“lots” is ______.
| A．subject | B．object | C．attributive | D．predicative |