1) It's too hot.Open the window.Please(beginning with"I suggest")
=> I suggest that we should open the window
2)Nam likes the full-moon festival very much. The festival is celebrated in the midfall(using"which")
=> Nam likes the full-moon festival very much.ưhich is celebrated in the midfall
4)She broke the cup because she was careless(using"Because of")
=> ..............................because of her carelessness
5)The oil will pollute the sea. People are worried(combine this pair of sentences)
=> people are woried that The oil will pollute the sea