He () (forget, take) the keys with him, so he had to wait outside his house.
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We have waited ____ (介词)you (等你)long enough.
They are ____ (介词)odds(意见不合)with each other.
We () (seldom be) (请调整为合适的形式和顺序)late for school.
It ____ (动词的合适形式)him(花费了某人多长时间) 10 days to make this model.