______ was known to us all that Johnson had broken his promise _____ he would
give each of us a small gift.
| A．As; which | B．What; that | C．It; that | D．It; which |
If you don’t pay your gas bill , the gas will soon be _______.
| A．cut down | B．cut up |
| C．cut out | D．cut off |
_______, the teacher asked whether anyone wished to ask a question.
| A．Finishing his lecture | B．To finish the lecture |
| C．Having finished his lecture | D．Finished the lecture |
At the meeting they discussed three different ___ to the study of mathematics.,
| A．Approaches | B．Means | C．Methods | D．Ways |
— How could you ______ my sister so easily in the crowd?
— Because she stood out in her red dress.
| A．pick up | B．pick out |
| C．take up | D．take out |
The wire was found broken. And ______, there happened to be no one getting near.
| A．therefore | B．however |
| C．otherwise | D．fortunately |