Once _____, it won’t be easily forgotten.
Can I come this afternoon or tomorrow morning?–is OK.I’m free today and tomorrow.
There are four ______ students in my school.
He went to see the man who was in hospital yesterday.— ________. But we didn’t meet him there.
Hello, this is Jack. Mary I speak to Tom? — Sorry, he isn’t in at the moment. If he back, I’II ask him to call you back.