My mother was cooking while I      the radio.
#39551
A
listened to
B
have listened to
C
was listening to
D
is listening to
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 China        a lot in the       ten years.
#38575
A
changed, past
B
was changed, first
C
has changed, last
D
has changed, next
I ________my homework while my parents _________TV last night.
#41821
A
did; have watched
B
was doing; were watching
C
had done; were watching
D
would do ;were watching
The boy _______ that the duck _______ two eggs yesterday.
#42342
A
lied; lied
B
laid; laid
C
lied; laid
D
laid; lied