Tony, What’s ___ matter with you— I have _____ toothache.

Excuseme．I want to buysome stamps，but Ican’t find a post office．一Iknow________ nearby．Come on，I’IIshow you．

w that a smile is usually a sign _____ people feel friendly and happy, but _____ we don’t know who the new person is

Would you please__________thepaper for me and see if there are any obvious(明显的) mistakes—Of course I will.

I don’t know ______ or not the books _____ to the homeless children next month are really useful