Mr. Smith is one of our resturnt’s ________ customers.[ ]ordinryB．regulrC．normlD．commonMr. Smith is one of our resturnt’s ________ customers. [ ]ordinry B．regulr C．norml D．common

one of our potentil customers in Itly hs requested ______of our ltest ctlog before our meeting next Fridy.collection B．fund C．pyment D．copyA．collectionB．fundC．paymentD．copy

A.经济可行性、报告可行性
B.经济可行性、社会可行性
C.系统可行性、财务可行性
D.系统可行性、时间可行性