．You’ve failed to do what you ____________to and I’m afraid the teacher will blame you．

A．will expect

B．will be expected

C．expected

D．were expected

在煅烧普通焦时：工艺操作条件依据（）或上级下发的工艺规定。煅后普通焦质量：按公司下达的质量指标执行。