—What is the most important for us to learn well as students?—I think your teacher should ________ carefully in class?
#53498
A
be listened
B
listen to
C
be listening to
D
be listened to
推荐题目
My son ____ coke , but now he ______ milk.
#62990
A
used to drink; is used to drinking
B
used to drinking; drinks
C
used to drink used to drink
D
used to drink; is drinking
The doctor looked ______ the old man ______.
#61427
A
at…care
B
over…careful 
C
up…carefully
D
over…carefully