The water in the river nearby will be dirtier than before if nothing __________.
#52543
A
has done
B
will be done
C
is done
D
was done
推荐题目
一Why do you appreciate her help so greatly?一Because her donation makes it possible for me the dog Lucky.
#51934
A
to having
B
have
C
to have
D
having
My brother _____________ some of his free time playing basketball for the school team.
#58795
A
spends
B
saves
C
costs
D
takes