---How soon will Sam get his money back?
---__________. Better late than never!
| A．Till next week | B．Until the next week |
| C．Not until next week | D．Not till the next week |
—Which university do you want to enter?
—It’s hard for mea decision.
| A．do | B．to do | C．make | D．to make |
He is __________ unusual inventor and he invented _________ useful invention.
A. a; an B. a; a C. an; an D, an; a
I didn’t know __________. Can you tell me?
| A．who to speak to | B．who speak to |
| C．who to speak | D．who spoke |
It’s very kind _________ you to help me carry the boxes since it is difficult _________ a person like you to carry so heavy things.
| A．of, of | B．of, for |
| C．for, of | D．for, for |
____ of the students has finished the exam, so ___ has come out of the classroom.
| A．None, no one | B．Nobody, none |
| C．No one, nobody | D．None,not anyone |