问题

There are severalfactors _ in the economy _ make it difficult to predict the future.

A:operate; where
B:operating; which
C:to operate; that
D:operated; what

正确答案是：

同类题型

On hearing the news that her son had won the game, she _____ laughter.

Hey,Jane. May I borrow your mobile phone, please I left mine at home.-Just a moment.l a message.

下列各句中，没有语病的一句是（　　）

_______, we’ll support you

Finding his iPad stolen on the bus, ________