If everything goes _________the plan, they should finish their work by Thursday.
| A．according to |
| B．due to |
| C．thanks to |
| D．so as to |
Ladies and gentlemen, please fasten your seat belts. The plane ______..
| A．take off | B．is taking off |
| C．has taken off | D．took off |
. It is so nice to hear from her. ______, we last met more thirty years ago.
| A．What’s more | B．That is to say |
| C．In other words | D．Believe it or not |
----You haven’t done it well.
----But I tried my best and did it ______ the way ______ I thought was the best.
| A．in, which | B．by, in which |
| C．by, in that | D．in, what |
Go back home now, Mary. Your parents ______ your safety.
| A．are concerned about | B．are concerned with |
| C．are concerned on | D．concern of |
Must I wait till you come back? No, you ______.
| A．mustn't | B．needn't |
| C．can't | D．won't |