问题

The director wants to make sure no one willsolve the mystery until it ________ at the end of the horror film.

A: is explained
B: will beexplained
C:explains
D:has explained

正确答案是：

同类题型

Important _______ having an ambition is, it must be channeled in the right direction. Otherwise, it would ruin ourselves and others.

The doctor recommended hea few more days in hospital.

How many books are left—- .

The girl is kind to ________ and she never plays tricks on __________.

下列各句，不属于特殊句式的一项是（）