选用适当的句子补全对话
A：What did you do last Sunday?
B：My brother went to take a PE exam and I went with him.
A:( 1 )
B:Just so so.He didn't run well in the boys'1,000 metres race.
A:( 2 )
B:Yes.But he lacks of(缺少）exercise every day.( 3 )
A:For most students,good marks are the most important,Even some students never have PE lessons.
B:You're right.( 4 )We should take more exercise.
A:At least we should take exercise for an hour every day.
B:（ 5 ）
A:Jogging.
B:Great!Let's start now!
A：Is he good at all his subjects?
B：But I think healty body is as important as good marks.
C:What happened to your brother?
D:How did hr do in the PE exam?
E:He wanted to choose a sport to keep fit.
F:By the way,what's your favourite sport?
G:He spends most of time learning.
选A、B、C、D、E、F、G中的句子.