用所给词的适当形式填空。
1.What is he going __________ (be) when he grows up?
2.Lucy, can you go to the library with__________ (we) tonight?
3.I like some __________ (tomato) in my sandwich. They are delicious.
4.Steamboat Willie was the __________(one) cartoon with sound and music.
5.Tom sang __________ (well) than Lucy in the singing competition yesterday.