_______ difficult the task may be, we must finish it on time, because we can’t miss _______ a precious opportunity．
| A．Whatever; so | B．However; such | C．However; so | D．Whatever, such |
--- What’s happened to my library books?
--- ________.
A. I’ve no idea.
B. You borrowed them from the library.
B. You bought them yesterday.
D. They’re about long life.
--- My children are always arguing.
--- ________.
| A．Just ignore them. | B．That’s right. |
| C．Are you sure? | D．How old is the boy? |
--- Where is Tom this morning?
--- He’s got a cold.
--- __________.
| A．Just tell him to take it easy. | B．What’s the matter with him? |
| C．He is absent. | D．What? Where is he? |
The new law will come into _____ on the day it is passed.
| A．effect | B．use | C．service | D．existence |
My parents always let me have my own _______ of living.
| A．way | B．method | C．manner | D．fashion |