Are they soccer with the school team on Wednesday? – No, they have to go to a party.

Do you think twenty people are enough for the work?—No. I am afraid we need at least______ students.

I didn’t see you at the party yesterday. Why? — Because I ________ for an important person from America at that time.

There isn’t ______ in today’s newspaper．

What can I do for you?— I’d like two ____.