问题

You haven’t said a word about the design ,MikeWhat’s your idea?—-I’m sorry I _______ about something else just now
A:am thinking
B:thought
C:was thinking
D:had thought
B:thought
C:was thinking
D:had thought
正确答案是:
同类题型
Tom ______a small tent near the lake and enjoyed counting the stars at night.
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Can you believe that in ___ a rich country should be ___ many poor people?
If the work _____ by the end of this monthis delayed,the team will be fined.