1. Having worked ( for) the foreign company (for) five years, he is used (to speak ) english (with) them

Cấu trúc : Be used to + V_ing

Sửa : to speaking 

2. Unless you (don't) (make) a decision at once ,it (will be) late (for) you

Cấu trúc : Unless = If…not

Sửa : ∅

3. (The) man (with) (the) camera (he was) taking photographs

Sửa : was

Hay nhất !!^^

1. Having worked ( for) the foreign company (for) five years, he is used to speak english (with) them
2. Unless you don't (make) a decision at once ,it (will be)  late (for) you
3. (The) man (with) (the) camera he was taking photographs

Sửa

1 to speak  sửa là: to speaking, vì  Be used to + V thêm ing 

2 sai từ unless chuyển thành if

3 he was sửa là : was , vì the man with the camera đứng trước động từ khi ở vị trí chủ ngữ , sau noun( the man with the camera ) là động từ tobe