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Bài tập thi thpt nè )
1. Mike ............ in Ho Chi Minh city when I last saw him.
A. is working B. was working C. has been working
2. Lan asked Phong ............. TV then.
A. if he was watching B. if he watched C. if he has been watching
3. All foreign teachers have to have work permits before teaching in Việt Nam, .......?
A. haven't they B. Don't they C. musn't they
4. It is extremely important with an engineer to know how to use a computer.
A B C D
5. The factory was built in 2002 is the biggest one in the area.
A B C
Giúp mình với. Nhớ giải thích tại sao nha ^.^.
1. Mike ............ in Ho Chi Minh city when I last saw him.
A. is working B. was working C. has been working
2. Lan asked Phong ............. TV then.
A. if he was watching B. if he watched C. if he has been watching
3. All foreign teachers have to have work permits before teaching in Việt Nam, .......?
A. haven't they B. Don't they C. musn't they
4. It is extremely important with an engineer to know how to use a computer.
A B C D
5. The factory was built in 2002 is the biggest one in the area.
A B C
Giúp mình với. Nhớ giải thích tại sao nha ^.^.