问题

Doctor Smith has made another wonderful discovery, _______ great importance.

A:which I think is of
B:which I think it is of
C:which is I think
D:I think which is ;

正确答案是：

同类题型

Everyone knows ______ Olympic Games will be held inLondon in July, 2012.

If you are a little careful, I think you can _____theproblem.

Who ______ your grandparents —My uncle. They live in Beijing.

下列句中划线词意义和用法相同的一项是

Neither Jim’s cousins nor he himself ____toAmerica , but _____ of the know the country very well.