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 clean5.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 familyC.When are going to buy it D.Is it your birthday