So many students _for the traffic jam ,the exam had to be put off.
问题描述:
So many students _for the traffic jam ,the exam had to be put off.
A.were late
B.had been late
C.being late
D.been late(选什么,为什么?)
答
选C,非谓语主句the exam had to be put off的主谓是完整 的So many students being late for the traffic jam 用ing表示原因的状语从句,由于主从句的主语不一致,所以从句自己跟上了主语So many students ,如果一致的...