1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
rain
rain--rained
close
close--closed
stop
stop--stopped
study
study--studied
buy
buy--bought
have
have--had
I want to go into space someday.
Listen ,and find the past tense: “flew”…
[flu:]
fly--
flew
spent
did
made
were
came
went
was
is--
spend--
do--
make--
come--
go--