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试题详情及答案解析

I go to bed when I heard someone knocking at the door.

A．was about to	B．had just to
C．would	D．would like to

答案：A

试题分析：考查将来时的使用。A表即刻的将来，正要；B表完成；C表过去计划的将来；D表意愿。句意：我正要睡觉时听到有人敲门。句中表达正要进行，故选A。
考点：考查将来时