将下列句子改为过去式并加上表示过去式的词或词组
题目
将下列句子改为过去式并加上表示过去式的词或词组
1.What day is it today?2.Where is the toy train?3.I'm ill.I'm staying in bed.4.He often watches TV at the weekends.5.Are there any oranges on the plate?6.They go on an outing every two weeks.
答案
1.What day was it yesterday?
2.Where was the toy train just now?
3.I was ill yesterday.I was staying in bed.
4.He watched TV last Saturday.
5.Were there any oranges on the plate this morning?
6.They went on an outing last week.
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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