English Grammar in Use Fifth Edition

UNIT 12
12.1
2  for (
also correct without
 for)
3  for (
also correct without
 for)
4 since
5 for
6 since
7 since
8 for
12.2
2  How long have you had this car?
3  How long have you been waiting?
4  When did your course start?
5  When did Anna arrive in London?
6  How long have you known each 
other?
12.3
3  He has been ill/unwell since Sunday.
4  She got married a year ago.
5  I’ve had a headache since I woke up.
6  The meeting started/began at 
9 o’clock.
7  I’ve been working in a hotel for six 
months. / I’ve been working there …
8  Kate started learning Japanese a 
long time ago.
12.4
2  No, I haven’t seen Lisa/her
 
for about a month.
3  No, I haven’t been swimming for a 
long time.
4  No, I haven’t ridden a bike for ages.
6  No, it’s about a month since I (last) 
saw Lisa/her.  
  or  
No, it’s been about a month since … 
7  No, it’s a long time since I
(last) went swimming.  
  or  
   
No, it’s been a long time since …
8  No, it’s ages since I (last) rode a bike.  
or  
  No, it’s been ages since …