Gửi bn

@Yui

17. Nowadays more people are concerned ____________ the environment. 

A: About              B: of             C: at                      D: in

Cấu trúc: concerned about: quan tâm về.

18. Some volunteers work ___________ neighborhood clean-up campaigns. 

A: in        B: on         C: at          D: of

Cấu trúc: in + địa điểm lớn

19. Many young people enjoy____________ community service. 

A: to do                    B: doing                    C: to play                   D: playing

Cấu trúc: enjoy + Ving

20. Would you like to see a movie with me? -Yes, I'd love _________. 

A: see                     B: to see                C: to                    D: seeing
Cấu trúc: I'd love to= I would love to

17:  D. in     S+ tobe

18: C: at          S+ Tobe

19: B: doing       S+Ving

20: D: singing     S+Ving