I won't believe that the little boy can read five thousand words ________ I test him myself. ( )
after
when
if
until
You have to pass a test ____________ you can get a license.( )
before
while
Students in Class One ________ for the singing competition at the moment.( )
prepare
are preparing
prepared
are going to prepare
When you go abroad,__________ forget to bring your passport.( )
always
hardly
never
sometimes
My car is broken._________ you please give me a lift?( )
Must
Need
Should
Could
The little boy hid himself ____________ the door to give his sister a surprise.( )
behind
above
across
under