按要求写出下列单词的正确形式。
1. let’ s ( 完全形式 ) ____________   2. should ( 否定式 ) ____________
3. we ( 宾格 ) ____________ 4. active ( 副词 ) ____________
5. young ( 比较级 ) ____________

I want ______ eat, ______. ( )

A．too; to

B．to; too

C．too; too

---I’m hungry, Mom. (   )
---Oh! Mary is hungry, .

A．to

B．two

C．too

Tom is going to my party. Are you coming ________? (   )

A．also

B．to

C．as well

用所给词的正确形式填空。
【小题1】They visited “The World of Robots” on the __________ (two) floor.
【小题2】Alice is good at dancing. She is a good __________ (dance).
【小题3】Peter __________ (buy) a model plane yesterday.
【小题4】He __________ (can) eat five hamburgers a day ten years ago.
【小题5】Horses can run very __________ (fast).