___ different life today is from ___ was 50 years ago!
Daniel, doing homework all the time makes us feel bored (无聊). What about going out for a picnic -_______.
I hope there will be ___people and _______pollution inthe future. Then our lives will be better.
Jack took the boxes off the little table tomake _______ for the new computer.
People _________ many trees so elephants are losing their homes.