小题1:I doesn’t like swimming.

小题2:She was about to go to bed then someone knocked at the door.

小题3:They walked towards the village with a boy led the way.

小题4:Dressing in a white uniform, he looks more like a cook than a doctor.

小题5:I am come from a small village.

小题6:My best friend is come next month.

小题7:This is the book who I lost last week.

小题8:Hurry up, and you’ll be late.

小题9:My best friend is angry at me. What should I do?

小题10:Please return back the book to me in time.  

IEEE802局域网标准将数据链路层划分为（）子层和（）子层。