My mother was cooking while I      the radio.
#39551
A
listened to
B
have listened to
C
was listening to
D
is listening to
推荐题目
 I hope ____ tomorrow .
#40120
A
him to be better
B
he will be better
C
him healthy.
D
he is healthy.
Her life ________ a lot during the last three years.
#41954
A
changed
B
changing
C
has changed
D
will change
I ________some chickens in the countryside yesterday.
#39288
A
feed
B
feeds
C
fed
D
feeding
This is the best hour I can _________ I_________ in the past twelve years.
#38830
A
know;have had 
B
remember;had
C
think of;have had 
D
think out;had