what caused the accident ___on the road.Awere the stones Bwas the stones
题目
what caused the accident ___on the road.Awere the stones Bwas the stones
答案上是选的A,可我不能理解,请帮帮我!
bread and butter ___his usual breakfast.A.is B.are
no apple and no orange ___in fridge.Aare put B is put
答案
这是个倒装句,正常语序为the stones on the road were what caused the accident 因为stones是复数,所以选werebread and butter _A__his usual breakfast.A.is B.are不可数名词永远用单数no apple and no orange __B...
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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