To get a good view of the scenery in China, Lucy would spend a lot of time on the train _________ travel by air.

There are many kinds of pollution around us, _________ air pollution, noise pollution and light pollution..

ust you leave Having dinner with you was such ______ fun.—Thanks all the same, but I have to make ______ early start tomorrow morning.

gh the children _______ in age_______ seven to thirteen, they have a lot in common

I often see lights in that empty house. Do you think I _____ report it to the police? [ ]