根据下面的对话情景，在每一个空白处填上一个恰当的句子，使对话的意思连贯、完整。
A: Have you heard that we are going to have an English speech contest next month?
B: Yes. 1______?
A: Yes,of course. You know I love English and I'm good at spoken English.
B: I know it's a piece of cake for you. But 2______.
A: Take it easy. Practice makes perfect. 3______.
B: I hope so. 4______?
A: Sure, I'd love to. The first thing is to choose a good topic. 5______?
B: Not yet. There are so many topics to talk about. I really don't know which one is better.
A: OK. Let's do it right now.
1. Will you take part in it / the contest
2. I'm not good at spoken English / I often get nervous when I stand in front of others
/ I'm shy to speak in front of others/I'm not confident enough
3. If you keep practicing, you will be confident / better
4. Would you like to help me (with it)
5. Have you chosen / prepared / found your topic
(答案不唯一)