读下面的句子，在正确的做法的中加上should、不正确的做法的句子中加上shouldn't和所需的其它用语。 (1)We waste too much water. (2)We cut down too many trees. (3)We kill too many wild animals for our food and clothes.
选择适当的词填空。 easy fun cool cost (1)The sunglasses are great. They ________only $10. (2)Daniel likes ________clothes. (3)Buying gifts for people isn't ________,but it is ________.
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