These English songs are very popular and they often____ on the radio all the time.
#44631
A
play
B
played
C
are played
D
were played
推荐题目
It’s said that ______of the water around the world___ polluted. 
#44439
A
two third , has
B
two thirds, have
C
two third, are
D
two thirds, is
—Many tourists ________to the Great Wall every year.—Yes, that’s true.
#44726
A
attract
B
have attracted
C
are attracting
D
are attracted
Don’t worry. The children always work hard and the teachers _______ in class.
#44819
A
always listen
B
are listening
C
are always listened to
D
are always listening to