--Must I clean the classroom now, Miss Wang?--No, you needn’t . It                by Bill. 
#41980
A
is cleaning
B
should be clean
C
was cleaned
D
has been cleaned
推荐题目
—— Why are you lying in bed? —— A __________ walk __________ me completely tired.
#38435
A
two-hours; made
B
two hour’s; has made
C
two-hour; has made
D
two-hours’; made
Mr. Fan ___ this watch in 2005. he ____ it for 6 years. 
#42094
A
bought, has had
B
bought, has
C
has bought, has had
D
has bought, had
The book named Journey to the west_____ by many people in different languages.
#37170
A
is reading
B
is read
C
can read
D
was reading