My mother was looking while I         the radio. 
#41312
A
listened to
B
have listened
C
was listening to
D
is listening to
推荐题目
I could feel my heart beating violently ______ I went on the stage to sing a song. 
#68886
A
for the first time
B
by the time
C
every time
D
from time to time
 Mary's favorite is fiuit. _______ kind it is.
#67646
A
whatever
B
wherever
C
whenever
D
however
Hearing his father was seriously ill, ______.
#70561
A
he burst into tears
B
his eyes were filled with tears
C
his face lost its colour
D
tears came to his eyes