Don’t leave your seat ________ all the papers have been collected by the teacher.
#55185
A
after
B
when
C
since
D
until
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I am wondering ________ you have read “the Harry Potter series” written by JK Rowing.
#55180
A
when
B
whether
C
where
D
what
—It’s very hot in the room! --_______ the door open?
#55563
A
Why don’t keep
B
Why don’t to keep
C
Why not keep
D
Why not you to keep
--- Hurry up! The bus is coming.--- Wait a minute. Don’t cross the street the traffic lights are green.
#55220
A
after
B
until
C
while
D
since