问题
选择题
________ she ran to the classroom, the teacher had begun the class.
A.What time
B.By the time
C.At the time
D.During the time
答案
B
题目分析:考查连词。句意:到她跑到教室时,老师已经开始讲课了。By the time到……为止,到她跑到教室为止,发生在过去,老师讲课发生在过去的过去,用过去完成时, 故选B项。
考点 : 考查连词。