根据下面句子及所给汉语注释，写出空缺处单词的正确形式，每空只写一词。

I will ________(写)an email to my cousin in Canada．

根据下面句子及所给汉语注释，写出空缺处单词的正确形式，每空只写一词。

My friend gave me a nice ________(手表)for my birthday．

根据句意，填入所缺单词，使句子意思连贯，语法正确(每空一词)

Could you speak more ________?I can't follow you．

根据所给提示，完成句子。每空一词，含缩略词。

让我们到乡村去帮助孩子们学习。(完成译句)

Let’s go to the countryside to ________ the kids ________ the their study．

根据所给提示，完成句子。每空一词，含缩略词。

Peter is 1.9 meters tall．Michael is 1.9 meters tall, too．(合并为一句)

Michael is as ________　________ Peter．

根据所给提示，完成句子。每空一词，含缩略词。

He invited me to the concert yesterday afternoon．(对划线部分提问)

________　________ he invite you to the concert?

B：________　________ a pen．

A：What’s this ________　________?

当别人对你说“Sit down, please．(请坐。)”时，你应该说________．

A．I’m fine

B．Good morning

C．Thank you

按字母顺序写出26个大小写字母。