你有任何事情困扰你,不要犹豫联系我们.
固定句型： Never hesitate to... when...
或者Do not hesitate to ...when...
1.
1.
______ I admit there are differences between us,I don’t think they can separate us.
A.When B.If C.While D.As
2.
The meeting will be over _______4 o'clock in the afternoon.
A.until B.since C.in D.by
3.
Never hesitate to contact us— ____ you have any items that are puzzling you.
A.because B.unless C.while D.when
请帮忙分析说明一下选这些答案的理由和原因,
______ I admit there are differences between us,I don’t think they can separate us.
A.When B.If C.While D.As
2.
The meeting will be over _______4 o'clock in the afternoon.
A.until B.since C.in D.by
3.
Never hesitate to contact us— ____ you have any items that are puzzling you.
A.because B.unless C.while D.when
请帮忙分析说明一下选这些答案的理由和原因,
英语人气：689 ℃时间：2019-12-06 09:27:32
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