– Must I finish my work today?-- No, you _______.

Miss Cooper ________ be here. I saw her come in.

I __________use a clock to wake me up because at six o'clock each morning the train comes by my house. 

-I walk such a long way on such a hot day .-Oh, dear ! You____ be tired and thirsty.  Sit down and have a drink.

Oh, I’m not feeling well in the stomach. I _________ so much mushroom this morning.