The problem is__________he has enough time.
| A．if | B．whether | C．/ | D．that |
We all feel it is Jack as well as his wife that ________ for their son's bad performance at school.
| A．are to blame | B．is to be blamed |
| C．are to be blamed | D．is to blame |
—Do you know Anna's telephone number?
—________.As a matter of fact，I don't know any about Anna，either.
| A．I think so | B．I'm afraid not |
| C．I hope so | D．I'd rather no |
It is strange that the well-behaved gentleman _______ be so rude.
| A．should | B．need | C．might | D．would |
Down __________ and hurt his leg.
| A．fell the boy | B．fell he |
| C．did he fall | D．did the boy fell |
The two presidents agree with each other on the whole, but much remains ______ at the following meeting.
| A．to discuss | B．discussing |
| C．to be discussed | D．discussed |