关于高一定语从句的一道单选题2.Knowing how long the test would last,the students who finished ______ back and waited until the end of the exam.A.settleB.settledC.settlingD.to settle
问题描述：
关于高一定语从句的一道单选题
2.Knowing how long the test would last,the students who finished ______ back and waited until the end of the exam.
A.settleB.settledC.settlingD.to settle
答