The volunteers      a lot of help to the community for nearly ten years.
#36876
A
offered
B
are offering
C
will offer
D
have offered
推荐题目
 Father was very angry because his favorite glass ________ by his pet dog.
#36239
A
broke
B
has broken
C
was broken
D
has been broken
The food on the plate          bad. Throw it away.
#37528
A
is smelt terrible
B
is smelt terribly
C
smells terribly
D
smells terrible
My uncle ________ a worker, but now he _______in an office.
#36721
A
is, was
B
used to, is working
C
use to be, works
D
used to be, works
_____ when the light went on last night?
#37783
A
What were you doing
B
What have you done
C
What did you do
D
How were you doing