—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
A number of tourists _________ Yangzhou many times because it is such a beautiful city.
#38934
A
has been to
B
have been to
C
has gone to
D
have gone to
