Question 41: I find losing weight very difficult.

A. It's difficult to lose weight.

("difficult" là adj + to V)

Question 42: My father likes to do gardening at the weekend.

B. My father enjoys doing gardening at the weekend.

(enjoy + V-ing)

Question 43: Why don't we go swimming this afternoon?

C. What about going swimming this afternoon?

(about là giới từ + V-ing)

Question 44: It's a good idea to do exercise regularly.

D. You should do exercise regularly.

41.A

-> Rất khó để giảm cân: difficult+ to V

42.B

-> Verbs of liking + V-ing(love, like, hate, prefer+to V/V-ing

43.C

-> Đưa ra lời đề nghị: What about+ V-ing

44.D

-> Đưa ra lời khuyên: Should+Vo

Cho mik xin 5* và CTLHN nha. Chúc bn học tốt😇😇😇