16.When you invest your money in something,please _________that there are hidden risks.

17.My grandfather was a soldier in the People’s______Army of China.

18.There is no need to consult a dictionary each time you_____a new world while reading.

19. A proper diet and good exercise will______your shape.

20.We hope that we’ ll never again have to______such unpleasant experience.

21.I'm sorry to_____you, but can I talk to you for a moment?

22.Gas and oil_____always increases in cold weather.

22.addition to compulsory courses, we have quite a few____coures at college

23. A hard-working attitude is worthy of study and_____.

24.Generally, small babies have no_____of right and wrong.

25.Mr, Smith never gives up his_____of knowledge.

26.Now we use clean technology, renewable and___materials to package our products.

27.Whether the matter will be better or worse depends on how you_____these problems.

28.We should make a concrete analysis of each_____question.

29.The man_____to do the wrong things by his friends.

30.Tom often____ that he is the best runner in his class.

31..He suryived the ,terrible traffic accident, It was really a ____.

32.The ______of PM2.5 can make the air cleaner.

33.Lei Feng’s spirit______us to do more good deeds for the people

34.He gives me an impressiqn of being strong and healthy, I cannot_______what he looks like when he is ill in hospital