English Grammar in Use Fifth Edition

UNIT 65
65.1
2  The window was difficult to open.
3  Some words are impossible to
 translate.
4  A car is expensive to maintain.
5  This meat isn’t safe to eat.
6  My house is easy to get to from here.
65.2
2  It’s an easy mistake to make.
3  It’s a great place to live.
4  It was a strange thing to say.
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Key to Exercises
65.3
2 glad
3  to hear
4  of you
5  to help
6 amazed
7  to make
8 not
9 silly
65.4
2  Paul was the last (person) to arrive.
3  Emily was the only student to pass 
(the exam). / … the only one to pass 
(the exam).
4  I was the second customer/person to 
complain. 
5  Neil Armstrong was the first person/
man to walk on the moon.
65.5
2  You’re / You are  bound to be tired
3  He’s / He is  sure to forget
4  It’s / It is  not likely to rain  
  or  
   
It isn’t likely to rain
5  There’s / There is  sure to be