问题

This study website is really helpful, _____middle school students and parents can benefit a lot.[ ]

A: which
B: why
C: from which
D: ofwhich

正确答案是：

同类题型

.—Jim!Did you have a good time at the party?—Yes,but I really _________ have because I had a lot of work to do.

The Open University can _______ you with different kinds of free instructions.

Only then did he the effects of his action.

________ its high pace, city life still attracts more and more people to move into the city[ ]

Their belief is proved by the fact that thedeath penalty prevents murder.