问题

It is obvious to the students ______ they should get well prepared for their future

A:as
B:which
C:whether
D:that

正确答案是：

同类题型

You can’t imagine that a well-behaved man _______be so rude to a lady.

The price of gold has jumped to______ new all-timehigh as debt worries in the US and ______ Europe continue to trouble the world.

____fire, all exits must be kept clear

Who has been to the USA—.

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