–What do you think the noise was?
--It ___________ a cat.

I am feeling sick now．I ________ so much chocolate．

I’m going to Europe on vacation together with John if I _______ find the money.

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

--            you interrupt now? Can’t you see I’m on the phone?
--Sorry sir, but it’s urgent.

I______ thank you too much for all your help to my son while we were away from home.

------Thank you very much for giving me a hand when I was in trouble.
------Don’t mention it. I only did what anyone else _______ in my place.

A traffic regulation released in a foreign country states that passengers sharing a car with a drunken driver _____ be punished together with the driver himself.

— No wonder you caught a cold. You __________ out last night without a coat.
— I know how silly I was.

She ______ have left school, for her bike is still here.