We didn't know you were in trouble at that time, ________ we would have given you a hand.
| A．therefore | B．however |
| C．otherwise | D．though |
－Might I lend your bicycle to Zhou Lan, Jim?
－_______ Anyhow I need to stay at home, helping my sister with her maths.
| A．Yes, you might. | B．Forget it! |
| C．What for? | D．By all means. |
It's everyone's desire that every effort ___ to realize the China Dream.
| A．was made | B．be made |
| C．will be made | D．would be made |
At first the officer ______ to make a statement, but later she agreed.
| A．reduced | B．postponed |
| C．declined | D．voted |
All Mrs Smith's efforts to tidy the room were _____ because her grandson soon made a mess of it again.
| A．at all costs | B．at random |
| C．in vain | D．in return |
___ is left over may be put into the refrigerator, ____ it will keep for two or three weeks.
| A．Whoever; when | B．Whenever; which |
| C．Whatever; where | D．Whichever; while |