简爱答应偶尔听从罗切斯特先生的命令,不因命令的口吻而生气或伤心,因为()。
A.他是主人
B.他阅历丰富
C.他忘掉雇佣关系,关心下属心情
D.年龄较教长
参考答案:C
John received an invitation to dinner, and with his work ____, he gladly accepted it. [ ]
A. finished
B. finishing
C. having finished
D. was finished
如何对冷烧结矿进行整粒?