题目内容
（请给出正确答案）
[主观题]
I _____ TV at 12 o'clock yesterday.A、was watchingB、watchC、is watchingD、have watched
I _____ TV at 12 o'clock yesterday.
A、was watching
B、watch
C、is watching
D、have watched
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–When did he come bck lst night －－It wst 8 o’clock ________ I ws wtching documentry on TV–When did he come bck lst night --It wst 8 o’clock ________ I ws wtching documentry on TV.since B．tht C．when D．which
A．since
B．that
C．when
D．which
