—Ruby, when did your father go out?
—I’m not sure, but he ______ go too far. His tea is still hot.
can’t
must
might
I have two______.
Mrs Green has ____daughters,and mary is her _____daughter.
---What do you _____ for breakfast? ---A glass of milk and two eggs.
---Mom,____is my watch? ---Look! It’s on your desk.
That’s Tom’s book, please_____it to him.