1. 从给出的短语中选出适当的短语, 并用其恰当形式完成句子。

at first; be afraid of; as well; be proud of; hear from

1. （1） My little sister  spiders.

3. （2） My brother likes playing table tennis and he likes playing football .

5. （3） I thought physics was hard for me but soon I found it interesting.

7. （4） I'm very glad to  you. I'm writing back to you now.

9. （5） — Mum, I was the first to get the prize.

   — I  you, my son.