特种兵都市小说不种马:I saw a big man _____that way quikely.

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1.When I was walking in the street , I saw a plane _____over my head.
A. run B.ran C.runs D. will run
2.What are you busy _____ready for?
A. get B. to get C.get D. getting
3.When we got back home. there was a smell of cooking _______from the kitchen.
A.come B. came C.coming D. has come
4.It's no good _____about your scores.
A.worry B.worried C. to worry D. worrying
请问这四道题应该选什么,最好能从语法的角度讲得明白些,谢谢.

1.When I was walking in the street , I saw a plane _____over my head.
A. run B.ran C.runs D. will run
A see sb.do sth 原形
2.What are you busy _____ready for?
A. get B. to get C.get D. getting
D be busy doing sth.
3.When we got back home. there was a smell of cooking _______from the kitchen.
A.come B. came C.coming D. has come
C there be sth doing/done 主动用doing被动用done
4.It's no good _____about your scores.
A.worry B.worried C. to worry D. worrying
D it is no good doing sth
注意:it is not good to do sth

A D C D

我非常同意楼上的答案