Patient: 500 yuan for pulling a tooth? It's only a couple of minutes' work.
Doctor: Well, I can do it____if you like.( )
A.quietlyB.more slowly
C.less carefullyD.as quickly as I can
My parents don't allow me___late.( )
stay up
to stay up
stays up
staying up
Chinese___by more and more people around the world.( )
is spoken
spoke
are spoken
speaks
Jenny didn't go to bed ____ her mother came home last night.( )
as soon as
if
while
until
How long ___ your brother ___ this camera?
For two weeks.( )
have,bought
have,had
has,had
has,bought
You're supposed to _____your shoes before you enter the room.( )
take off
put off
get off
turn off