50. ‘Tomorrow we will go to Coc Ly market. You can buy lots of handmade items there.’
      ‘_________’
      a. What a pity!         b. How interesting   c. How thoughtful!      d. Well done.
51. He drives ............. his brother. 
      a. more careful than                                 b. more carefully    
      c. more carefully than                              d. as careful as
52. People in rural areas live ________ than those in cities.
      a. simplier                b.more simply         c. more simple      d. simpler
53. Robert arrived at the meeting _____________ than Francis.
      a. later                      b. more lately          c. latelier      d. lately
54. Can’t you think of anything _____________ to say?
      a. more intelligently b. more intelligent   c. most intelligent      d. intelligently
55. I think his new book is much _____________ than his last one.
      a. boring                  b. bored                   c. more boring      d. more bored