．It is obvious to the students ______ they should get well prepared for their future.
| A．as | B．which | C．whether | D．that |
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The cloud never hides the sun. The truth will be known to all _______.
| A．on time | B．in time | C．by time | D．from time to time |
.
____ no doubt _____ China will become an advanced country in the future.
| A．It; whether | B．There is ; that | C．It is ; that | D．There is; whether |
.
A fire ______ in the shoe factory last night but ____ soon.
| A．broke out; put out | B．was broken out; was put out |
| C．broke out; was put out | D．was broken out; put out |
.
---- She was late for the party.
---- That’s _________ she had forgotten the exact time.
| A．why | B．how | C．because | D．whether |
.
As a matter of fact, ___is a hard job for the police to keep order in an important football match.
| A．this | B．that | C．there | D．it |