— The floor is clean and dry now. Who _______?— Sorry, I don’t know.
#41742
A
mopped it up
B
has mopped it up
C
has mopped up it
D
mopped up it
推荐题目
- What's that terrible noise?    - The neighbors_______ for a party.
#38508
A
prepared
B
prepare
C
will prepare
D
are preparing
Listen, a small number of students ______ in the classroom. 
#40135
A
talk
B
talks
C
is talking
D
are talking
Mary,along with her parents ______Hainan for a week and they will come back soon.
#37637
A
have been to
B
has been in
C
have been in
D
has been to
If it         tomorrow, I’ll go out for a walk with you. 
#39555
A
doesn’t rain
B
won’t rain
C
hasn’t rained
D
isn’t raining