The boss has to improve the working conditions in the company.A. allowedB. acceptedC. perm

问题补充：

The boss has to improve the working conditions in the company.

A. allowed

B. accepted

C. permitted

D. agreed

答案：

A. allowed

B. accepted

C. permitted

(答案→)D. agreed

解析：allow/permit doing允许做某事；agree to do同意做某事。句意：老板已经同意改善公司员工的工作条件。故选D。