46 That is Nam's book . ( sở hữu)

47 You don't need to finish the work today.( need=important=cần thiết)

48 Nam is the tallest in our class. ( so sánh nhất)

49 Watching TV is more interesting than reading book.( interesting=thú vị)

50 Is this the cheapest computer you have? ( có phải là cái máy tính rẻ nhất bạn có không)

46. That's Nam's book.

47. You don't need to finish the work today.

47. Nam is the tallest in our class.

48. Watching TV is more interesting than reading.

49. Is this the cheapest computer you have?

# chúc bạn học tốt # 

# xin câu trả lời hay nhất #