Many students can't answer these questions ______ their teacher explains them. [ ]A. so B. befo

题目简介

Many students can't answer these questions ______ their teacher explains them. [ ]A. so B. befo

题目详情

Many students can't answer these questions ______ their teacher explains them.

[     ]

A. so
B. before
C. after
D. because
题型:单选题难度:中档来源:期末题

答案

B

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