20 б a: i’m going to do a parachute jump next week. b: you are going to jump out of an aeroplane! but you’re 73 years old! you 2.1. be serious. you 2.2. be mad. a: it really 2.3. be wonderful looking down on everything. i’ve always wanted to try it. b: but anything could happen. you 2.4. be injured, or even killed. i wouldn’t take the risk. a: well, your life 2.5 be much fun if you never take risks. you should try it, too.

A: I’m going to do a parachute jump next week.
B: You are going to jump out of an aeroplane! But you’re 73 years old! You 2.1 _can't__ be serious. You 2.2. __must___ be mad.
A: It really 2.3. __must__ be wonderful looking down on everything. I’ve always wanted to try it.
B: But anything could happen. You 2.4. ___may__ be injured, or even killed. I wouldn’t take the risk.
A: Well, your life 2.5 ___can't__ be much fun if you never take risks. You should try it, too.