The two friends ______on the Internet for three hours, and they would go on till the next morning.
A.have been chatting | B.had been chatting |
C.were chatting | D.had chatted |
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The two friends ______on the Internet for three hours, and they would go on till the next morning.
A.have been chatting | B.had been chatting |
C.were chatting | D.had chatted |