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
30
twenty
ten
is
thirty
share
分享
D. Let’s put them together. Twenty plus ten is thirty.
You have so many erasers.
Yes. I have sixty.
What do you collect Guoguo?
I collect rulers.
I have forty.
You have so many toy cars.
Yes. I collect them.
I have twenty
I have ten.
Let's put them together. Twenty plus ten is thirty.
Read the story
Act the story
erasers
rulers
crayons
stickers
books
robots
...
They have so many colours.
I could share (分享） my toys.
I can help my friends.(帮助朋友）