I went to Mount Wudang with my five friends in one small car last weekend.
Oh, my God! I think it be an uncomfortable trip.( )
A.mustB.can'tC.mayD.shouldn't
I’ll go to visit my uncle in England ________ the winter holidays start.
The mobile phone has changed people’s life a lot ________ it was invented.
Getting enough sleep is good for _______ health _______ study.
— Hey, boy. You can’t cross the street now. You have to wait _______ the traffic lights turn green. — Oh, sorry and thank you.
Mom was cooking ________ Dad was reading newspapers.