—Tom must be at home because the light in his house is on.—He ____ be at home, because I saw him playing basketball on the playground.A. must B. can’t C. mustn’t
They listened very carefully and heard the strange________ again.
There were_________ people in the street at midnight, so he drove fast.
Shanghai is bigger than____________ in China.
That accident happened__________ a rainy night.
--- Is this your sister’s key, John? --- No, it isn’t. ______ is in the bag.