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
考查反义疑问句的构成。前文为肯定含义,后文用否定形式;根据前文的谓语动词形式可知用isn’t。
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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
考查反义疑问句的构成。前文为肯定含义,后文用否定形式;根据前文的谓语动词形式可知用isn’t。