是不是英语回答中不能用到they're\It's之类的.为什么?

What's the price of the shoes?的回答是It's ...还是They're what's the price of the shoes?的回答是It's 还是 they're? 英语填空 is are It It's they They They're 句子在补充内 how much is the pair of shoes的回答,是they're 5 0 yuan,还是It's 50 there is a pair of trainers .回答是it's bIue 还是they're blue. they're是不是they are的缩写 they're是不是they were的缩写 英语中回答对不起,You're welcome.之类的还有什么?哪个是回答谢谢的,哪个是回答对不起的? what's your favorite food?怎样回答“是面条”是It's noodles.还是They’re n 英语的 WHERE ARE THEY?不能写做WHERE'RE THEY 1.it is=it's 2.They are=They're为什么1.里的it 的开头字母i是小写的2.里They的开 阅读英语短文,It's Sunday.Jack and Alice are in park.They’re from A