Last year the old man____ under the roof ,enjoying the sunlight A.sits B .is sitting C .sit

题目

Last year the old man____ under the roof ,enjoying the sunlight A.sits B .is sitting C .sit
D.would sit
1.Last year the old man____ under the roof ,enjoying the sunlight A.sits B .is sitting C .sit D.would sit
2.We _____ each other when we studied together .
A .helping B .are helping C .would help D .do help
3.Though we pushed the car hard ,the car ____ away .
A.wouldn't move B .moved C .would move D .doesn't move
这三道题我都解释不出来应该选什么，

答案

D
last year这么明显 肯定要用过去时
只有D是过去时
去年这个老人也许坐在屋顶下享受阳光
第2题C
虚拟语气,当我们在一起学习的时候,我们会互相帮助 说明现在没在一起,对未来的假设
第3题A
很明显的让步状语从句 主句要用否定时态为过去时 只有A
尽管我们很用力的推,车还是没动