问题

What shall human beings do if oilsometimein the future

A:will run out
B:runs out of
C:runs out
D:will be runout

正确答案是：

同类题型

Tom’steacherandfriend____Mr.Smith.

It is required that he________homework tomorrow morning.[ ]

It is __________ difficult work __________ nobody cando it well．

下列各句中，没有语病的一句是（）

Professor Johnson, I’m afraid I can’t finish thereport within this week. –_______ How about next week