25, Stop wasting electricity or we'll have no fuels to use.

26, I don't know how to describe with my great parents a few words.

27, Edison, who invented the electric light bulb, was a great scientist.

28, She is still worried although she has prepared everything.

35, William suggested Peter complaining to the company.

      William suggested Peter that he should complain to the company.

36, Unless you worked hard, you wouldn't be rich.

31, Easter is a joyful festival which is celebrated in many countries.

32, Tornadoes can suck up anything that is in their path.

33, Although Tim had taken a taxi, he still arrived late .......

34, How about planting some trees ..........

35, The planet which is closet ....... is Venus.

36, The doctor suggested me taking a rest.

      The doctor suggested me that I should take a rest.

25) Stop wasting electricity or we'll have no fuels to use.
26) I don't know how to describe with my great parents a few words.
27) Edison, who invented the electric light bulb, was a great scientist.
28) She is still worried although she has prepared everything.

35) William suggested Peter complain to the company.
36) Unless you work hard, you won't be rich.

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31) Easter is a joyful festival which is celebrated in many countries.
32) Tornadoes can suck up anything that is in their path.
33) Although Tim had taken a taxi, he still arrived late .
34) How about planting some trees around your house?
35) The planet which is closet to the Earth is Venus.
36) The doctor suggested me take a rest.