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
—We must act now because time is _____. —Yes. Let’s start.
#60460
A
coming out
B
giving out
C
cutting out
D
running out
— Which underlined part is different from the others in pronunciation?— .
#63623
A
below
B
follow
C
own
D
allow
— I got an “A” in Chinese again. — You are ________ again.You can’t get an “A” every time.
#59204
A
showing off
B
giving up
C
worrying about
D
coming up with
–What should I do, doctor? --________ healthy, you should take more exercise.
#60200
A
Keep
B
Keeping
C
To keep
D
Kept