Bài 4 bạn dùng cấu trúc cuat bạn trên làm nhé
Bài 5:
1.He was a plumber
2. If/whether she is in class...
3.if/whether not used his phone again
4.if/whether could them hear she clearly
5 they could come on Monday
6. His uncle was working in an office near there.
7. If/ whether you wanted to visit....
Chúc bạn họct tốt ^^