The car is environmentally friendly because it uses electricity instead of gas. _____, it is less expensive.

----It’s a warm day, isn’t it?
----Yes, it is _______ cold. I just wear a jacket.

He is thought to be one of the most famous writers________.

---Thanks for your trouble.
---Not at all. I’m _____ pleased to help you.

In my view, biology is ______ chemistry, but a little easier than mathematics.

— Do you really want to go out?
— It may rain．         , I shall go out; I don’t mind the rain．   

You can’t go out because it is a stormy night;       , your homework hasn’t been done.

The 586 billion dollars economic stimulus package that China announced Sunday may not be quite as huge as it seemed at first sight, but it showed just how       the authorities in Beijing take the threat of a slowdown following the international financial crisis.

A good book is like a good friend. You cannot keep it          long.

Up to now, Hope Project has helped thousands of students who would       have dropped out of school.