问题

What were your parents doing at eight last night?— My father was cooking while my mother .
A:watched TV
B:were watching TV
C:is watching TV
D:was watching TV
B:were watching TV
C:is watching TV
D:was watching TV
正确答案是:
同类题型
Can a plane fly _____ the Atlantic Ocean?—Yes, but it needs to go _____ the clouds for hours. [ ]
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The doctor advised Tom strongly that he should take a good rest, but didn’t help.
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