问题描述:
hear from是延续性动词还是瞬间动词
We haven't heard from them ____last month.
a,since b,by the end of c,for d,until
这题怎么做?
since是不是前面一定要加延续性动词,until后面是时间点的话,前面是跟延续性动词还是瞬间动词.
这些都请有心人为我说清楚
We haven't heard from them ____last month.
a,since b,by the end of c,for d,until
这题怎么做?
since是不是前面一定要加延续性动词,until后面是时间点的话,前面是跟延续性动词还是瞬间动词.
这些都请有心人为我说清楚
问题解答:
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