John promised his parents he _______ not smoke again, and he has not smoked ever since.
| A．would | B．could | C．should | D．might |
He got well-prepared for the job interview, for he couldn’t risk ____ the good opportunity.
| A．to lose | B．losing | C．to be lost | D．being lost |
Not only I but also David and Iris ______ fond of playing basketball.
| A．am | B．is | C．are | D．was |
Three-fourths of the buildings ______.
| A．was destroyed | B．is destroyed |
| C．were destroyed | D．has been destroyed |
That’s the new machine _______ parts are too small to be seen.
| A．that | B．which | C．whose | D．what |
----Everybody is going to climb the mountain. Can I go too, mom?
---- __________ Wait till you are old enough, dear.
| A．Will you? | B．Why not? | C．I hope so. | D．I’m afraid not. |