—When I am walking in the street,I________some ads every time. —So am I.I hate it.It’s a waste of paper. 
#37429
A
give
B
am given
C
gave
D
was giving
推荐题目
They______ when the teacher came in.
#40078
A
talk
B
are talking
C
to talk
D
were talking
 —Where’s Li Hua?—Look! He ____ tennis on the playground.
#40036
A
plays
B
played
C
playing
D
is playing
My mother was cooking while I      the radio.
#39551
A
listened to
B
have listened to
C
was listening to
D
is listening to
I don’t know when he ____. But if he ____, I’ll ring you up.
#41562
A
comes, will come
B
will come, will come
C
comes, comes
D
will come, comes