题目内容
He must be helping the old man to water the flowers, ________?( )
A. is he B. isn’t he
C. must he D. mustn’t he
B
句意:他一定正在帮助那位老人浇花,是吗?本题考查反意疑问句,做题思路为:He must be helping the old man to water the flowers.=I’m sure that he is helping the old man to water the flowers.从而得出反意部分用isn’t he。
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