There used to ________ a clean river in the village, but now it’s dirty.
#59546
A
be
B
being
C
have
D
having
推荐题目
Jeremy Lin ________ an unknown basketball player in New York Knicks for a very long time.
#52424
A
used to be
B
used to being
C
is used to be
D
was used to be
—Is your friend quiet?—No, he never stops       .
#59537
A
talk
B
talking
C
to talk
D
is talking
There ____ a sports meet in our school. I will take part in the long jump.
#53473
A
is going to have
B
has
C
is going to be
D
will have
Grandma is ill. I have to ________ her at home.  
#62031
A
look for
B
look up
C
look at
D
look after