---You were out when I went to your house this morning.
---Oh, I _______ for a friend from England at the airport.

While Mary ___ a letter, the children were playing outside.

The Greens ______to France next weekend.

My mother _______if she ________ her work this week．

-- ______did your uncle leave his hometown ?--He ______ for nearly twenty years.

-----I bought this dictionary two weeks ago.
----You mean you __________ it for half a month.

------When and where ____you _____the bag?
------ Oh, yesterday in my desk.

------Where is your father?
------He _______ Shanghai. He has ______ there for a week.

Look! What a clean room! Who _______it ?

What’s Jim doing over there?  He’s_______ his friends.