1. 选词填空

as a matter of fact, care about, ought to, by accident, on the basis of, take out a loan, be about to, to be honest, make a bet, in return

1. （1） He appears to be strong and healthy, but, , he suffers from a very weak heart. 
3. （2） , I don't like the course, but I must take it. 
5. （3） We grabbed it just as it  tip over. 
7. （4） We drew this conclusion  experiments. 
9. （5） I  that we would win the football match.  
11. （6） , he received gifts worth roughly half that amount. 
13. （7） I found the key  when I was cleaning the room. 
15. （8） I'm still living in a rental apartment because I didn't want to I couldn't pay back.  
17. （9） The boy has reached an adult age and  be earning his own living. 
19. （10） You don't  anything but yourself and your precious face.