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cheap 便宜的
pocket 口袋
走到跟前
待售
一枚一美元硬币
付款 支付
The girl goes over to Danny’s table.
Danny thinks of an invention. He _____ a piece of wood onto a bike.
It is a ________________.What is it for?
you can do your homework _______you ride your bike.
New words
desk-cycle n.自行车桌
tie v. 拴 捆
While conj.当……的时候
Danny Desk-Cycle
ties
while
它是干什么用的？
从一处走到另一处
One dollar is 100________.
--How much does it cost?
--5dollars.
--That’s too expensive.
I’m afraid I can’t ______it, because I only have a few ______.
cents
afford
cens
New words
cent n. 分
afford v. 买得起