Nowadays people sometimes separate their waste to make it easier for it __________.
What a sunny weather today! Let's hope it_______ for Saturday's tennis match.
Because of the heavy foggy weather, we had to _______ the plan of going to Xi’an for the football game by air.
More and more people prefer to travel on ______ plane, because you can have a comfortable and quick journey, but make sure you get ______ safe one.
____is well-known to all, the great changes have taken place in China.
Shops ____for the do-it-yourself craze by offering consumers bits and pieces which they can assemble at home.