用括号内词的比较级填空。

1. Tom thinks he works hard. But in fact Jacky works even _____. (hard)

2. Tom is as _____ (clever) as Jacky. But he isn't as _____ (hard-working) as

Jacky.

3. Jacky's Chinese is the _____ (good) in his class. But Tom thinks Chinese is the_____ (difficult) of all.

4. Tom spends _____ (few) toys than tom, but he has _____ (many )books.