His leg was hurt. ______ is why he didn't come.
A. It B.Which C.That D.There
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It ______ Wang Fang and Li Ming ______ cleaned the classroom.
A. is; that B.was; who C.are; who D.were; that
______ the English examination I would have gone to the concert last Sunday.
A. In spite of B.But for C.Because of D.As for
For the sake of her daughter's health, she decided to move to a warm______.
A. weather B.temperature C.season D.climate
The ______ a teacher has on children is usually greater than that of their parents.
A. use B.effort C.effect D.energy