从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
例:It is generally considered unwise to give a child __________ he or she wants.
A.however B.whatever C.whichever D.whenever
答案是B.
21.Don’t be afraid of asking for help __________ it is needed.
A.unless B.since C.although D.when
22.A cook will be immediately fired if he is found _______ in the kitchen.
A.smoke B.smoking C.to smoke D.smoked
23.Allen had to call a taxi because the box was _________to carry all the way home.
A.much too heavy B.too much heavy
C.heavy too much D.too heavy much