【C7】A．to produceB．producingC．production ofD．producing of

【C7】A．paidB．payingC．payD．to be paid

【C7】A．withB．ofC．forD．to

【C7】A．onB．forC．inD．to

【C3】A．to produceB．who producesC．produceD．how to produce

A．To test students through computers.B．To store statistics about students.C．To help pr

【C7】A．makingB．madeC．to makeD．make