Don’t tell anybody else what I said. You keep it a secret.A. can B. may C. must
You must be very tired. Why not _____ a rest?
______ good boy he is! We have never seen such a good boy.
The Science Museum interests me a lot.. I enjoy ______there.
I have two sisters. One is in Beijing, ______is in Lanzhou.
My mother was ______ tired _____ he went to bed without supper tonight.