Please don’t stand up in class _____ you ______.
#44549
A
until ; are told to
B
when ; are told
C
after ; were told
D
before ; were told to
推荐题目
At least 300 million people are using QQ _________ by Ma Huateng to chat on line．
#45059
A
create
B
creates
C
creating
D
created
— Did the doctors save the old man？— Yes. He _______ on the morning of May 10th. And now he is out of danger.
#44423
A
was operated
B
operated
C
operated
D
was operated
Teenagers allowed to drive in the street .
#44899
A
should not be
B
should be not
C
not should be
D
shouldn’t
— How beautiful the library is!—Yes. It ________ last year.
#45008
A
builds
B
built
C
was built
D
is built