As we all know, it’s not polite to keep others______for a long time.
| A．wait | B．waited | C．to wait | D．waiting |
I don’t think he can read the new words so well, __________?
A. can he B. can’t he C. do you
—Must I come before 7:00 tomorrow?
—No, you ________.
A. needn’t B. mustn’t C. couldn’t
Our teacher often uses the Internet ________ he often sends emails.
A. or B. and C. but
My teacher is a friend of _________.
A. mother’s of Jim
B. Jim mother’s
C. Jim’s mother’s
—Good morning, madam. Can I help you?
— Sure, I’d like ________ for cooking vegetables.
A. one bowl of dumplings
B. three pieces of bread
C. five kilos of oil