--- I saw the Smiths at West Beijing Station this afternoon.
--- You __________. They are still on holiday in Hawaii.
| A．mustn't have | B．shouldn't | C．couldn't have | D．needn't |
---What made him so angry?
--- _______.
| A．Because his son escaped from school | B．His son’s escaping from school |
| C．His son escaped from school | D．What his son escaped from school |
Not until he left his home ______ to know how important the family was for him.
| A．did he begin | B．had he begun | C．he began | D．he had begun |
________ you may have, you should gather your courage to face the challenge.
| A．However a serious problem | B．What a serious problem |
| C．However serious a problem | D．What serious a problem |
When he came to, he found himself ______ on a chair, with his hands ______ back.
| A．to sit; tying | B．sitting; tying | C．seating; tied | D．seated; tied |
_______ is obviously right is that all children have equal opportunities to get education.
| A．Which | B．What | C．That | D．It |