问题

It’s neither aliens nor a rare disease ________ will threaten the human race in the future, but climate change.

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

正确答案是：

同类题型

George returned after the war, only _______ that hiswife had left him.

my father my mother is busy at work， so I have to look after myself.

Thanks a lot helping me my English.

such a problem before, we handled the situation very well this time.

—Shall I inform him of the change of the schedule right now—I am afraid you _______, in case he comes late for the meeting.