—How clean the room is! —Yes，I am sure that someone _______ it.
#36374
A
cleans
B
cleaned
C
has cleaned
D
had cleaned
推荐题目
I will tell my daughter as soon as she _________ back from work.
#36810
A
will come
B
would come
C
comes
D
came
Daniel is ________ his purse, but he can’t ________ it.
#42651
A
looking for; find
B
seeing; look for
C
finding; look at
D
looking at; see
Last Thursday when I got to the airport, I ____I had left my ticket at home.
#42601
A
forgot
B
realized
C
believed
D
seemed
China ______ the WTO for more than 10 years, and it has brought great changes to it.
#41666
A
has joined
B
has been in
C
has become a member of
D
has joined in