问题

I’m afraid I have to give it up—Don’t be discouraged Remember __________sticks to his work will succeed one day

A:would turn on
B:would haveturned on
C:had turned on
D:must haveturned on

正确答案是：

同类题型

Scientists say human activity contributes to climate change, but they do not agree on the rate______ climate change may be developing[ ]

Nuclear science should be developed to benefit the people _____ harm them[ ]

下列各句中，加横线的成语使用不恰当的一项是（）

Do you think I could borrow your dictionary— .

Japan’s economy _______ in the past twentyyears No one knows how long it ______ before it regains its increase