16, are => is
17, easy => easily
18, has done => had done
19, which => who
20, didn't it => wasn't it
34. eaten a low fat diet for 2 years.
35. she eats fruits and vegetables every day, she keeps gaining weight.
36. as fast as cycling.
37. his mind that he might have misunderstood her.
38. Maryam if she was going to visit her aunt the next day.
16C
17D
18B
19A
20D
34. Sue has eaten a low fat diet for 2 years
35. Although she eats fruits and vegetables every day, she keeps gaining weight
36. Walking is not as fat as cycling
37. It crossed his mind that he might have misunderstood her
38. Tom asked Maryam if she was going to visit her aunt the next day
16. C. Are --> Is
17. D. Easy --> Easily
18. B. Has done --> Had done
19. D. Didn't --> Wasn't
