— Is your mother a bus driver?— Well, she _______________, but now she is a shopkeeper.
#61666
A
used to
B
used to be
C
use to be
D
is used to being
推荐题目
I had a hard time _________ where the post office is. 
#59595
A
finding
B
found
C
finds
D
to find
—________ I use your pen?— Sure. Here you are.
#52264
A
Must
B
Need
C
May
D
Should
You must be very tired. Why not         a rest?
#60799
A
to stop to have
B
to stop having
C
stop to have
D
stop having
—When will the engineer go to Singapore?—Oh,I don’t know when he ___Singapore.When he ____ Singapore,I will call you.
#62055
A
leaves for;leaves for
B
will leave for;will leave for
C
will leave for;leaves for
D
leaves for;will leave for