【答案】

【1】They want to send the postcards.

【2】I need stamps for two postcards to Canada/ I need two stamps for postcards to Canada.

【3】How much are these shoes?

【4】You will see the hotel on the right.

【5】What is wrong with you?

【解析】

【1】They他们，the这个，want想，send寄送，postcards明信片(复数)，to表示方向，到/给……。原句是句号，故是陈述句，根据提供的单词和语境可以得出，句子意思是他们想要记这些明信片。故答案为They want to send the postcards.

【2】I我，postcards明信片（复数），need需要，for为了，two两个，to表示方向，到/给……，stamps邮票（复数），Canada加拿大。原句是句号，故是陈述句。根据提供的单词和语境可以得出，句子意思是我需要邮票来寄送这两张明信片去加拿大。故答案为：I need stamps for two postcards to Canada.或者I need two stamps for postcards to Canada.

【3】how多么，表示程度，these这些，much多少，are是be动词复数形式，shoes鞋子（复数）。原句是问号和疑问词，因此是特殊疑问句。根据提供的单词和语境可以得出，句子意思是这些鞋子多少钱。How much问价钱。故答案为How much are these shoes?

【4】the定冠词，这个，you你，on方位介词，will表示将来，see看到，hotel旅店，the定冠词，这个，right右边。原句是句号，故为陈述句。根据提供的单词和语境可以得出，句子意思是你将看到这旅店就在右边，故答案为You will see the hotel on the right.

【5】with介词，表示伴随，what疑问词，什么，is是be动词单数，you你，wrong错误，原句为问号，结合疑问词得出原句为特殊疑问句，意思是你怎么了？故答案为What is wrong with you?