工业企业经营管理费用包括产品财务费用、管理费用和（）。
A、经营费用
B、销售费用
C、营业费用
D、招待费用
参考答案：B
The teacher, along with 5 of her students, ________talking with a foreign teacher in the English Corner at that time.
A．was
B．were
C．had been
D．would be
A．(A) Restaurant owner and customer.
B．(B) Teacher and student.
C．(C) Husband and wife.
D．(D) Doctor and patient.
