Sometimes the boy is a bad-tempered child, but he ____ be quite lovely when he wishes．
A．may B．can C．shall D．must
---I was trying to carry out the plan, but I failed.
---Well, you _____, for we were uncertain it would do ____.
A．needn’t do that, in fact B．needn’t have done, in effect
C．needn’t have, in practice D．needn’t, in time
It was foolish of him to ____his notes during such an important test, and as a result, he got punished.
A．point to B．keep to C．stick to D．refer to
Many a man and many a woman _____ that he or she had better education．
A．wish B．has wished C．do wishes D．have wished
_____ it is _____ you obtain, you should share _____ your parents your feelings.
A．What; /; to B．Whichever; that; with
C．Whatever; that; with D．Which; /; to
About ____ gene-targeting drugs are already in testing pipeline. It won’t be long ____ they are put into effect.
A．two dozen; before B．two dozens; that C．two dozens of; before D．dozens; that
