The volunteers __ a lot of help to the community for nearly ten years.
#41617
A
offered
B
will offer
C
are offering
D
have offered
推荐题目
—— __ Mary cleaning her room? ——No, she is __ .
#41494
A
Does, reads
B
Can, read
C
Is, reading
D
Does, reading
There are some trees near our school. They ________ last Monday.
#37017
A
water
B
watered
C
have watered
D
were watered
---Do you know _______?---At the end of July.
#39752
A
how soon is your sister coming back home
B
how often Nancy hears from her pen friend[
C
when the London Olympic Games were held
D
when will the new computer game come out