everyone/ pick up/ one piece of trash/ a day/ abou...

Câu hỏi: everyone/ pick up/ one piece of trash/ a day/ about 6.6 billion pieces less

A If everyone picked up one piece of trash a day, there would be about 6.6 billion pieces less.

B When everyone will pick up one piece of trash a day, about 6.6 billion pieces would be less.

C Because everyone picks up one piece of trash a day, about 6.6 billion pieces is less.

D Unless everyone picked up one piece of trash a day, there will be about 6.6 billion pieces less.

Câu hỏi trên thuộc đề trắc nghiệm

- Unit 10 - tiếng Anh 12 (có lời giải chi tiết)