As soon as the crew(船员) were attacked, the police______ to look into the matter.
| A．set down | B．set out | C．set about | D．set up |
A lot of tall buildings __________ in Shanghai in the past three years.
| A．have set up | B．have been set up |
| C．set up | D．were being set up |
John's success has nothing to do with good luck. It is his hard work __________ has made him what he is today.
| A．why | B．when |
| C．which | D．that |
I have a lot of books, half of __________ novels.
| A．which | B．that | C．whom | D．them |
—Jack hurt his leg yesterday.
—What ________ does it make? We can win the coming football match without him.
| A．contribution | B．promise |
| C．difference | D．refresh |
He practises speaking English ________ cafter work and he is sure to succeed ________ .
| A．all the time; on time | B．at a time; in time |
| C．all the time; in time | D．on time; all the time |