We＇ll have a sports meet if it ______ (not rain) tomorrow.

They don't want to live here for a long time because the weather is ______ all the year round.（change）

　　-- Where is your grandfather?

　　-- He ______ (go) to Guangzhou.

　　It ______ (rain) hard when I ______ (get)there yesterday.

　　I ______ (not go) to see the film last night, because I ______(see) it before.

　　On her ______ birthday, she received many presents. (twenty-one)

　　It's raining. Drive as ______ as you can. (care)

　　These letters must ______ (deliver) to people before noon.

　　He ______ (be) late this morning because he ______ (not catch)the bus.

　　He ______ (already send) a parcel to his uncle in Japan. Do you know how much postage he ______ (pay)?