问题

Mrs Lin advised the students___with friends online and said it was a waste of time.

A:to stop to chat
B:to stop chatting
C:stop to chat
D:stopping to chat;

正确答案是：

同类题型

Who’s that man—– ___________.

I’m afraid of the exam.—_____ It is not difficult at all.

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You say he works hard,_______, and _________

in a spare moment at the weekend or _____,it really doesn’t matter