作业帮The city was flooded because it ____ for weeks.A.has rainedB.had been raining我想知道为什么.
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The city was flooded because it ____ for weeks.A.has rainedB.had been raining我想知道为什么.
The city was flooded because it ____ for weeks.
A.has rained
B.had been raining
我想知道为什么.
The city was flooded because it ____ for weeks.A.has rainedB.had been raining我想知道为什么.
因为后面加的是for weeks表示持续了好几周,而不是last week表示一个时间点.For weeks从过去延续到现在,就应该用过去完成进行时.
B