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Various optional courses being available, we can choose ________ based on our own interest.

— Oh, dear! We only have 15 minutes to get to the station.
— So terrible! There isn't any taxi around when you want ______.

How can you take____ for granted that you can get something for nothing?

The Three Gorges will offer you a wonderful trip, ______ you’ll remember all your life.

-----What about today’s temperature?
------It’s the same as, if the weather report is exact as usual, _____ of yesterday.

It's an either-or situation - we can buy a new car this year or we can go on holiday but we can’t do ______.

At our factory there are a few machines similar to ______ described in this magazine.

The best job is          which uses your skill in doing something together with your interest in the subject.

The population of China is larger than ______ of any other country in the world.

______ the bikes are too old to ride. I’ll have got to get them ______.