The library needs ________, but it’ll have to wait until Sunday.
#104295
A
cleaning
B
be cleaned
C
clean
D
being cleaned
推荐题目
By the end of last year, another new gymnasium________ in London. 
#99201
A
have been completed
B
were completed
C
had been completed
D
was completed
The way of life he was used to _______ when he came to study in America. 
#101025
A
change
B
changed
C
changing
D
being changed