Thay____ when i came into the chassroom?A.are readingB.were readingC.was readingD.read为什么不选A或C啊?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/26 12:20:44
Thay____ when i came into the chassroom?A.are readingB.were readingC.was readingD.read为什么不选A或C啊?
xRN@ MƲ0! R' i XA c;og|@bjsU ]ďTt-O$4Ȯ˥B!%4u;I*WUGtp)V;9W 3W? o/MiJӂrtN7aH auإ+rQ']QDv}:kqI& q^p֧cr/,Te=9bZŴ Kq =$P00ںڽm~F`EKfؽܖ#zǫ3<,hϲ'@B (yvzi7'

Thay____ when i came into the chassroom?A.are readingB.were readingC.was readingD.read为什么不选A或C啊?
Thay____ when i came into the chassroom?
A.are reading
B.were reading
C.was reading
D.read
为什么不选A或C啊?

Thay____ when i came into the chassroom?A.are readingB.were readingC.was readingD.read为什么不选A或C啊?
B.were reading
过去进行
我进教室的时候他们正在阅读
补充
A现在进行
C谓语单数
都不是正确的

B

B
两个动作同时进行;短的用一般过去时;长的用法过去进行时

B

B
when 表示进行时,可是后半句的came是come的过去式,前后句需统一,助动词 也必须是过去式,A就不能选了。而they表示复数,所以选B而不是C