1.Unless you don't leave immediately,I will call policeman.

2.Fred wouldn't do that unless he had your permission.

3.I won't bother to call you unless I hear from Mr.Brown.

4.Unless you agree with him,Charles wouldn't even suggest it.

5.We can't write to Mr.Bill unless he send us his address.

6.Unless you study harder,you are going to fail the exam.

7.Unless she start the letter now,she will to do it tomorrow.

8.Unless you invest your money wisely,you will lose all of it.

9.I won't say anything unless Smith brings up the matter himeself.

10.Our dog wouldn't have barker unless he had heard a strange noise.

Chúc bạn học tốt ^_^!!!
(Nếu thấy hay hãy vote 5*,cảm ơn và bình chọn là câu trả lời hay nhất để mik có động lực giải tiếp các BT khác nhé!)