2013高考英语二轮抢分小专项强化训练50
单项填空
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。
21. -- Sorry to disturb you, ________ can I use your phone?
-- Oh, go ahead.
A. and B. if C. when D. but
22. Cigarettes and alcohol do such ________ great harm to health that they can easily cause ________ weakening of our bodies.
A. a; / B. /; the C. a; the D. /; /
