下列各句中均有一处错误,请找出来并改正
题目
下列各句中均有一处错误,请找出来并改正
1.How much is this T-shirt and that hat?
2.The pants for sale are $28.
3.The shorts are only 10 yuan.I'll take it.
4.You can buy the pencil case for only two dollars every.
答案
is 改为 are
are改为is
are 改为 is
every 改为 each
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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