— 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
He ______ very busy this week, he ______ free next week .
#42447
A
will be, is
B
is, is
C
will be, will be
D
is, will be
When the teacher came in, all of us _______.
#38764
A
stopped talking
B
stopped to talk
C
stop talking
D
stop to talk