1)It is the third time that you____late for school this week(be)
题目
1)It is the third time that you____late for school this week(be)
2)关于look的词组及其意义,譬如look up、look into等
3)现在完成时,现在完成进行时,过去完成时的区别
4)I_____a bad cold for a week.(have hadhave been having选择)
答案
1 have been It is the [n] time that + 现在完成时have done It was .+ 过去完成时had done 2 look after To take care of: 照顾: looked after his younger brother. 照顾他的小弟弟 look for To search for; see...
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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