36) solar energy/ so that/ can be stored/ on cloudy days/ for a number/ the energy / too/ of days, / you can use -> 37) though there are many energy-saving products, people don't want to use them -> In spite of

36) solar energy/ so that/ can be stored/ on cloudy days/ for a number/ the energy / too/ of days, / you can use -> The energy can be stored a number of days, so on cloudy days you can use solar energy, too. Bị động" S+ can be P2 so+ clause: vì vậy

37) though there are many energy-saving products, people don't want to use them In spite of the fact that there are many energy-saving products, people don't want to use them. In spite of the fact that+ clause: mặc dù

38. It's time you look after yourself well. Take care of = look after: chăm sóc

39. Jane suggested Rob should come over there and help pick up the trash. suggest sb should V: khuyên ai nên làm gì

40. The laboratory is being worked with a lot of chemicals by the students Bị động httd: S+ tobe being P2