41. My mother can cook better than my sister
42. Unless she cleans her house every day, her house will be very dirty
Unless = if…not
43. In spite of drinking a lot of water, he still felt thirsty
In spite of N/Ving
44. Lan asked Nam how he was making arrangements for his summer holiday that year
45. He hasn’t gone to the cinema for 2 months 

41My mother can cook better than my sister
42 Unless she cleans her house every day, her house will be very dirty
43 In spite of drinking a lot of water, he still felt thirsty
44 Lan asked Nam how he was making arrangements for his summer holiday that year
45 He hasn’t gone to the cinema for 2 months 

Mik xin câu trả lời hay nhất ạ.Thanks^_^