补全对话。
A: Jack, has your brother begun school yet?
B: Yeah, he just started school last week.
A: Well, he is unhappy.
B: 1. _____________________________?
A: You see. Today school is very hard. Students are busy with their homework.
B: Yes, you are right. Schoolwork was really easy when we were six. 2. _______________?
A: Yes, we didn't worry about tests. But now I am terrified of tests.
B: Me, too. And we used to play games after school every day. Now we just study all the time.
A: Yeah, you are quite right. I'm afraid of learning English. What about you?
B: 3. ___________________, but now I am good at it.
A: Really? 4. __________________________?
B: By practicing it. It helps me a lot. Why not have a try?
A: That sounds good. 5. ________________!