We believe the time and hard work _______ in completing such an important project are worthwhile.
| A．involved | B．involving |
| C．to involve | D．to be involved |
There is ______ thing as a free lunch.
| A．no such | B．not such | C．no a | D．no such a |
The old woman walks ______ dog after ______ supper every day.
| A．a; the | B．/; / | C．the; the | D．the; / |
I have got ______ of the work, because it is too ______.
| A．tired; tiring | B．tiring; tiring |
| C．tired; tired | D．tiring; tired |
During my visit to Africa, I suffered a lot ______ the heat there.
| A．of | B．in | C．over | D．from |
Joe hasn’t found a job, and now he is very ______.
| A．grateful | B．angry | C．happy | D．upset |