42.satisfy

43.harmful

44. preferential

45.communication

46.polluted

47.deafness

48.mountainous

49.careful

VIII

50.jack is the tallest in my class

51.the weather is so cold that we can't go out

52.it tooks two hour to wrote this letter

53.the children enjoyed walking in the rain

54.what a beautiful house

55.my grandmother is too old to work now

IX

56.they often go to the beach

57.they often stay there for two or three days 

58.they usually stay in a small house or a flat by the sea but sometimes they stay in a hotel 

59.last summer they went to nha trang

VII.

42.satisfy (v) : làm vừa ý

43.harmful (adj) : có hại

44.preferential (adj) in st : ưu tiên cho cái gì

45.communication (n) : sự liên lạc

46.polluted (adj)  :bị ô nhiễm

47.deafness (n) :  tật điếc

48.mountainous (adj) : thuộc vùng núi

49.careful (adj) : cẩn thận

VIII.

50.Jack is the tallest student in the class. (so sánh nhất)

51.The weather is so cold that we can't go out. (so + adj + that +clause)

52.It took us two hours to write this letter. (it took sb + time + to V)

53.The children enjoyed walking in the rain. (enjoy + V_ing)

54.What a beautiful house! (câu cảm thán với what: What + (a/an) adj + N)

55.My grandmother is too old to work now. (S + to be/V + too + adj/adv + (fot sb) + to + V)

IX.

56.They often go to Vung Tau in the south of Viet Nam.

57.They often stay here for two or three days.

58.They usually stay in a small house or a flat by the sea. (chữ đầu dòng 3 bị khuất nên mình điền đại là flat)

59.Last summer,they went to Nha Trang.