问题

The little boy ________in the mud all the morning. No wonder he is dirty from head to foot.[ ]

A:has played
B:is playing
C:has been playing
D:was playing

正确答案是：

同类题型

下列各组词语中，没有错别字的一组是(　　)

I am shocked at the news that many pupils were killed in the terrible traffic accident.— So am I. Little the safety of the poor children. [ ]

Ann, would you like to drink tea or coffee—______. I’m not thirsty at all.

The work is not very profitable(盈利的) _______ cash(现金), but I am getting valuable experience from it

______our teacher is ill, ______ he still comes to our class to teach us.