单元测试题4.The classroom is very dirty today.It is hard _______.

单元测试题
4.The classroom is very dirty today.It is hard _______.
A.cleaning B.to clean it C.to cleaning D.to clean
5.I don’t think you are right.So I can’t ________ you.
A.agree with B .agree to C.agree on D.agree
6.—I’m going to buy a birthday cake.
—_________?—No.My friend’s daughter.
A.Is it your son B.Is it for someone in your family
C.When are going to buy it D.Is it your birthday