Some roads in Saigon don’t provide wide enough pavements for the pedestrians _______ on safely.

Câu hỏi :

Some roads in Saigon don’t provide wide enough pavements for the pedestrians _______ on safely.

A to be walking                  

B having walked                        

C to have walked                

D to walk

* Đáp án

D

* Hướng dẫn giải

Phương pháp giải:

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