Darwin counted 225 flowering plants，________he collected and brought home 193.
| A．that | B．in that |
| C．of which | D．all of which |
You ____ so hurriedly, there is much time left.
| A．shouldn’t come | B．mustn’t have come | C．can’t have come | D．needn’t have come |
--“ I wonder if you’d mind us asking a few questions.”--“ Not at all. ______.”
| A．You are welcome | B．Go right ahead. | C．Don’t mention it. | D．Take it easy. |
____ life will continue on the earth for millions of years to come will depend on _____ this problem can be solved.
| A．That; whether | B．If; how | C．Whether; whether | D．If; if |
I was found I was carried _____ on the earth and fell over.
| A．twice as far as | B．as far as twice | C．farther twice than | D．as far as twice |
It is three o’clock now, the match _____ begin soon.
| A．should | B．will | C．can | D．may |