____you fulfill the terms of the L／C we will accept the drafts drawn under this credit.

A Provided

B To provide

C In the case

D Only if

A.PROVIDED

B.TO PROVIDE

C.IN THE CASE

D.ONLY IF

A．provided

B．to provide

C．in the case

D．only if

A．Provided, provide B．Provided, providing

C．Provide, providing D．Provide, provide

Have you trained your employees in terms of the common knowledge of fire prevention？

A. Yes. We have a routine training every month.

B.Yes. We organized a fire drill every year

C.Not yet. But we will make it up soon

D.No. We are expected to fulfill this plan to train employees in fire prevention