用所给动词正确时态填空
题目
用所给动词正确时态填空
用所给动词正确时态填空
1.You should go to bed.You ____ (watch) TV for 5 hours.
2.I ____ (write) letters since breakfast.
3.I ____ (write) 3 letters since breakfast.
4.Sorry,but Mr.Smith ____(leave) for Beijing
5.I ____ (look) for him everywhere,where can he be?
答案
have watched 现在完成时
have been written 现在完成进行时 一直在做某事
have written
has left
have looked
举一反三
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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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