Is Mary in the library, Tom?－No. She ______ with her friends.

There are_______ seasons in a year． Winter is_________season．

The news about the terrible flood there greatly discouraged __________ there for a sightseeing.

Do you have Nokia E72 mobile?－Sorry, they have been ________. You may come next week.

Tom’s uncle has devoted _________ to charity since he came to China 20 years ago.