【判断题】
答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”Id like to send this small parcel to Hong Kong by registered mail, please. How much will it cost?
【判断题】
答题说明:句子没有语法错误请选择“正确”,有语法错误请选择“错误”I had came from a quiet little town and I had never before lived in a big city.
【多选题】
Rowland Hill was the first to___________ a proposal to use stamps.
【多选题】
Televison is a___________ invention!
【多选题】
Professor White isnt in now. Could you_________ ?
【多选题】
A: Thank you for your help.B:___________
【单选题】
I shall never_________ the days when I first set foot in Beijing.
【单选题】
I look younger because I do _________ exercise than you.
【单选题】
Try to_________ the new information with something you already know.
【判断题】
若A可逆,则<img class=jc-formula data-tex=|{ A }^{ -1 }|={ |A| }^{ -1 } src=https://huaweicloudobs.ahjxjy.cn/5A19BA468787AC28502EA25DCE29092F.png style=vertical-align: middle;/>