The little boy saw the plane_____and burst into flames.

A good many proposals were raised by the delegates，（ ） was to be expected.

Can you_____the difference_____the two phrases?

（ ） relatively costly, the engine is highly efficient and needs servicing infrequently.

Mr. Green said his clients _____ our samples by the end of last month.

The two companies decided to （ ） on a project concerning animal cloning.

We moved to London _____ we could visit our friends more often.

Dinner will be ready _____. Let’s go and wash our hands.

I love thinking of new designs. It keeps my mind clear and active and fills my retired life with （ ）.

We arranged to meet at the station but she did not （ ）.

As a Chinese proverb goes， a heavy snow _____ a good harvest year.

The computer doesn’t work well， so something （ ） wrong.