根据人教版九年级英语Unit12 I used to be afraid of the dark，用所给单词的适当形式填空。

1. It's even ____     (good) than I thought it would be.

2. And you wouldn't believe how              (quick) my French has improved.

3. I'm very comfortable              (speak)  French  now.

4. My biggest challenge is learning how               (behave) at the dinner table.

5. Another thing is that it is very rude                (say) you're full.

6.I find it difficult                (remember) everything.

颅骨软化多见于()
方颅多见于()
胸廓畸形多见于()

A．3个月以内

B．3～6个月

C．6个月以上

D．8～9个月以上

E．12个月