新概念英语第一册86课后题

问题描述:

新概念英语第一册86课后题

一般过去时与现在完成时那题的1,3,4,7填写has, 出现了具体时间的不用完成时.
仿写句子题:1. I‘ve (cleaned) my shoes./ I cleaned my shoes (last night).其他类推: 2.opened; 3.sharpened; 4. turned; 5.boiled; 6.emptied; 7.asked; 8. typed; 9.washed; 10.walked; 11.painted; 12.dusted.