_______ something wrong, _______ please. A. If there is / keep calm B. In case / to keep C. Unless there were / you would keep calm D. Provided there was / keeping calm

_______ something wrong, _______ please.

A. If there is / keep calm
B. In case / to keep
C. Unless there were / you would keep calm
D. Provided there was / keeping calm

Trả lời

Chọn đáp án A

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