issue n./v. 发行 find out 找到 goods n. 货物，商品 a set of 一套
What(How) about 怎么样
it's=it is isn't=is not aren't=are not
lost v. 丢失，寻物启事 found v. 找到(find的过去式及过去分词)，失物招领启事
Unit 4
where's=where is
model n. 模型
Unit 5
don't=do not doesn't=does not
watch out 小心 type/kind n. 种类 try to do 尝试做某事 keep v. 保持 ask sb to do sth.要求某人去做某事 catch v.捕获，抓住enjoy oneself=have a good time 玩得开心 on the same day 在同一天a street party 街道聚会 the weather report 天气预报 a sunny day 晴天
great 太棒了 it is adj. for sb. to do sth. 对于某人来说做某事怎么样play后加球类时不加冠词（零冠词） prep.(介词)+doing
the same as 与...相同 look at the same 看起来一样 the same to 一样的
