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

Is everyone here?—Not yet, look, there _____ the rest of the students.

The old gentleman is considering _________he will move to New York with his daughter and son-in-law or live alone at home

You may have your own decision on this matter,and I have little doubt _________ you’ll succeed.

Everyone passed the exam ________him. So he was sad.

_______, we continued our way.