There were many people over there.He asked .( )
A.what happenedB.what was happened
C.what did happen
Did you pass the test?
Yes.I'm very _____ for your advice.( )
thankful
careful
useful
helpful
You can't smoke here.
Sorry,I ______ the sign.( )
don't see
didn't see
haven't seen
won't see
He is not old enough ________ to school.( )
gone
going
went
to go
Can I go swimming,Mom?
Certainly.But you ____ be back by four.( )
can
may
might
must
Which do you like ____,tea or coffee?( )
well
better
best
most