英语学霸请进 1.My shoes __ under the bed just
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英语学霸请进 1.My shoes __ under the bed just
英语学霸请进 1.My shoes __ under the bed just now.But they __ there now.A.are,weren't B.were,weren't C.were,aren't 2.There's __ apple tree in my garden.In __ tree,there's __ small house for the birds.A.an,the,a B.an,a,the C.a,the,an 还有很多,会的请找我
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1My shoes __ under the bed just now.But they __ there now.A.are,weren't B.were,weren't C.were,aren't 选 C 前半句 just now “刚才” 是过去时的标志,所以用 were后半句 now 现在,用现在时,aren't 2.There's _...
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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