—When did you come back? —Half an hour ago. You ____ to music.
#100901
A
have been listening
B
were listening
C
had listened
D
listened
推荐题目
I should say sorry to you but I ____trouble.    
#102836
A
did not mean causing
B
did not mean to cause
C
meant causing
D
meant to cause
Experts suggest that teenagers spend at least 30 minutes exercising, five times a week. Walking and riding your bike _____ , and ______.
#103295
A
counts; so are school sports
B
count; school sports count, either
C
count; so do school sports
D
counts; so school sports do