Do you still remember the key points that ___________ in his report? I don’t remember them all.
| A．referred to | B．were referred | C．he was referred to | D．were referred to |
Don’t worry. There’s still time ____a newspaper before the bus leaves.
| A．left to buy | B．leaving to buy | C．left buying | D．leaving buying |
Every Monday morning, students in our school would stand at attention, watching the national flag ______.
| A．raising | B．rising | C．being risen | D．being raised |
You can’t imagine the difficulty he ________onto the cliff and saving the boy in trouble.
| A．had to climb | B．had climbed | C． had climbing | D．had on climbing |
Our daughter doesn’t know what to ____at the university; she can’t make up her mind about her future.
| A．take in | B．take up | C．take over | D．take on |
Only after _______ did people know it was not an accident, but an attack of some kind.
| A．the second tower of the World Trade Centre was hit |
| B．did the second tower of the World Trade Centre fall |
| C．was the second tower of the World Trade Centre hit |
| D．the second tower of the World Trade Centre was fallen |