Why don’t you wear your jogging shorts, mum—Well, my legs are too skinny, if you ______ know.

Bob, please tell me_____.—In South Hill School.

The first two services are free，______the third costs￡35

I didn’t know your telephone number; otherwise, I ______ you long ago

22The law in almost all states used to require stores to close on Sunday, but now in most states, it no longer _____