PRACTICE TEST 4- Đại từ nhân xưng, Đại từ sở hữu và Đại từ phản thân

_______ 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

75/100

_______ something wrong, _______ please.

If there is / keep calm

In case / to keep

Unless there were / you would keep calm

Provided there was / keeping calm

Giải thích

Chọn đáp án A