—________ one and a half months enough for the project to be finished?
—I am afraid not. The professor is ill and only after he recovers ________ go on with it.
| A．Is; he can | B．Are; he can |
| C．Is; can he | D．Are; can he |
It took a long time for the connection between body temperature and illness___
| A．to make |
| B．to be made |
| C．making |
| D．being made |
I know everything and___trying to cover up
| A．there is no need |
| B．it is no use |
| C．it is no doubt |
| D．there is no wonder |
___is a good form of exercise for both old and young
| A．The walk |
| B．Walk |
| C．To walk |
| D．Walking |
___of the land in that district___covered with tree and grass
| A．Two fifth;is |
| B．Two fifth;are |
| C．Two fifths;is |
| D．Two fifths;are |
___of us answered the phone,for we were all in the yard
| A．Either |
| B．Neither |
| C．All |
| D．None |