I ________my homework while my parents _
题型:选择题
问题:
I ________my homework while my parents _________TV last night.
A.did; have watched
B.was doing; were watching
C.had done; were watching
D.would do ;were watching
I ________my homework while my parents _________TV last night.
A.did; have watched
B.was doing; were watching
C.had done; were watching
D.would do ;were watching