题目内容
【题目】It's difficult the mountain in a day.
A.to climb
B.climbing
C.climbs
D.climbed
【答案】A
【解析】“It is +adj.+to do sth.”是固定句型,后面的动词用带 to的不定式,故选A。句意是:一天内爬上这座山有困难。
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题目内容
【题目】It's difficult the mountain in a day.
A.to climb
B.climbing
C.climbs
D.climbed
【答案】A
【解析】“It is +adj.+to do sth.”是固定句型,后面的动词用带 to的不定式,故选A。句意是:一天内爬上这座山有困难。