Mandela, devoted all his life to the freedom of South African Blacks, is a real fighter for us to ________.
| A．live up to | B．come up to | C．make up to | D．look up to |
Youvery fast if you went from New York to Boston in six hours.
| A．should drive | B．must have driven | C．may drive | D．would have driven[ |
They want to make _______ clear to the public that they are doing an important and
necessary job.
| A．this | B．that | C．it | D．what |
_____ the child to bed, she began to correct the pupil’s exercise.
| A．Sending | B．Being sent | C．Sent | D．Having sent |
____ with a difficult situation, Arnold decided to ask his boss for advice.
| A．To face | B．Having faced | C．Faced | D．Facing |
It was ______ back home after the experiment.
| A． not until midnight did he go | B． until midnight that he didn’t go |
| C． not until midnight that he went | D． until midnight when he didn’t go |