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
3) 当主句和从句都用进行时态时，只能用while.
Exercises
Fill with “While” or “When”
1.____ May was talking on the phone, her sister walked in.
2.____ Rita bought her new dog, it was wearing a little coat.
3._____ I saw Carlos, he was wearing a green shirt.
4._____ I was dancing, he was singing loudly.
5. _____ Linda finally saw Davy , he was jumping with a dog .
6. I was cleaning my room ________ the fire broke out .
When
While
While
When
When
when
Black clouds were making the sky very dark
Putting pieces of wood over the window
making sure the flashlights and radio
were working
beating heavily against the windows
fall asleep
in a mess
Culture focus
Storm---- Every year in the US, different kinds of storms cause damage(毁坏，破坏)and loss of life. These storms often come with little warning(警示，警告),and they can destroy（摧毁 ）whole towns. When these storm happen ,people often work together to help each other and rebuild(重建) the town.
It can bring people closer together.
(它能将人们团结得更紧密)
While skimming
1.What was the weather like before the rain started?
2.What was the neighborhood like after the storm?
While Scanning