He started to read books.He __ read for about an hour,when suddenly he__ that the room was dark.

题目

He started to read books.He __ read for about an hour,when suddenly he__ that the room was dark.
A was reading;noticed
B read; noticed
C read; had noticed
D had read; was noticing
为什么选B不选A?
原句中第一个空后没有那个read

答案

这句话的意思是”他开始读书,当他突然发现这个房间是黑的的时候,他读了大约一个小时了“. 首先 第一个空,他读了大约一个小时了,是过去时,而A选项是指 过去进行时态,当他发现房子是黑的的时候,他并不是正在读了1个小...