35. and high social position /Someone /is usually respected very much  / that gets good knowledge /./

- Someone that gets good knowledge and high social position is usually respected very much.

36. I think that / with our friends / to keep in touch / Facebook is a convenient way/ and relatives /./

-I think that Facebook is a convenient way to keep in touch with our friends and relatives.

37. Tom passed the test easily.

- Tom had no difficulty in passing the test.

38. The boy hasn't visited his grandparents for two months.

- The last time his grandparents were visited by the boy was 2 months ago.

39. I bought this air-conditioner because it consumes less electricity than the others.

- This air-conditioner was bought because it consumes less electricity than the others.

40. "Would you mind if I guided you in this trip, Peter?" Lan said.

→ Lan told Peter to guide him in that trip.

35. Someone that gets good knowledge and high social position is usually respected very much.
36. I think that Facebook is a convenient way to keep in touch with our friends and relatives.
37. Tom had no difficulty in passing the test.
Have no difficulty in Ving
38. The last time his grandparents were visited by the boy was two months ago.
39. This air-conditioner was bought because it consumes less electricity than the others.
40. Lan told Peter to guide him in that trip.