Ten minutes later，a bus ______ and everybody got on it.

____, he sometimes makes mistakes.

Mum, it’s late. Why are you still here?—Dad hasn’t come back yet. I _____ for him.

I think Miss Lin must be in the library. She said she would go there.—No, she __________be there. I have just been there.

What were your parents doing when you phoned me last night?—They ________with my grandparents.