Dad is out but the rest of the family ______ at home watching their favorite program on TV.
题目
Dad is out but the rest of the family ______ at home watching their favorite program on TV.
A、 are B、 is C、 were D、was
答案
A
the rest of the family 指的是剩余的家庭成员,由题意可知是复数,所以选A.
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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