Frank ______ to see his grandpa if he _____

试题详情及答案解析

Frank ______ to see his grandpa if he ______ free tomorrow.

A．will come, is	B．will come, will be
C．comes, is	D．comes, will be

答案：A

试题分析：句意：如果明天有空，Frank将会来看望他的爷爷。If引导的时间状语从句，从句用一般时，主句用一般将来时。故选A。
考点：考查动词时态。