题目内容：

 

1.As we know, tools made of metal __________ (not break) easily.

2.Changing the plan at this time is to cut the foot _______ (fit) the shoe.

3.More _______ (do) to reduce the air pollution in China from now on.

4.He________(fix) the computer which went wrong last week. It looks as good as new.

5.Several years of hard work led the engineer to _______ (achieve) success.

6.—How was your flight to Hainan?

—Couldn’t be worse. We _________ (keep) at the airport for five hours.

7.My uncle arrived when I _________ (leave). I had to receive him first.

8.China ________ (host) The Belt and Road forum for International Cooperation in Beijing in

May 2017. It was a big success.