put up 张贴；举起；搭建
put off 推迟
across from 在...对面
fail 失败，不及格
look up 查阅
success 成功
How can I get some information about the 2022 Winter olympics?
——You can visit the website at www.bejing2022.cn.
information 信息，不可数
experience 经历；经验 不可数
practice 练习
composer 作曲家
calendar 日历
1.My best friend never eats breakfast because he always gets up late.
always 总是
never 从不，决不
often 经常
sometimes 有时
2. Usually playing over the Internet is safe , but sometimes It's not safe.
He said he would come to see us sometime the next afternoon.
some time 分开为“一段”
sometime 相连为“某时”
some times 分开s 是“倍、次数”
sometimes 相连s是“有时”
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