The twin brothers have different interests. Jim likes music, ______Jack likes sports .
Today the forests are getting fewer and fewer. We must ______ down too many trees.
— __________does the baby panda weigh? —About 20 grams.
Tom’s uncle knows computers well, and he __________ a computer engineer .
— Do you think Jim will be the new chairperson this term? — ____________. He is so selfish (自私).
The rich man __________ much food__________ the poor families during the hard time.