The library needs __, but it will have to wait until Sunday.
#98110
A
cleaning
B
to clean
C
clean
D
being cleaned
推荐题目
They looked forward with hope _____ a chance to receive further education.
#98846
A
for getting
B
of getting
C
to get
D
to getting
Social attention should be paid ____ our earth from ____.
#91822
A
to preventing; being polluted
B
to prevent; polluting
C
to prevent; being polluted
D
to preventing; polluted
Gary, please do me a favor--- _____ my laptop for me. 
#96437
A
to fetch
B
fetch
C
fetching
D
fetched