He took off his expensive watch ____ the fact that he was rich.
A.to hide B.hid C.hide D.hidden
(初高中衔接题) Why did you just sit and watch?You ________ me.
A.could help B.must help C.could have helped D.must have helped
— A little bird entered through the open window to join us for dinner last night.
—Wow, the unexpected guest welcomed.
A.will be B.must be C.won’t be D.mustn’t be
--- Robert, could you wash the car for me?
--- Yes, I _______. I’m coming, dad.
A.could B.couldn’t C.can D.can’t
I think Jane ________come here. It's too far away from her house.
A.mustn't B.must C.may not D.may
Lucy has a great talent in music. She ________ write her own music at the age of ten.
A.would B.could C.had to D.needed