IF YOU DON'T KNOW LONDON VERY GOOD, IT IS VERY DIFFICULT TO FIND...
233. If you don't know London very good, it is very difficult to find the bus you want.
a. If
b. don't
c. good
d. to find
233. If you don't know London very good, it is very difficult to find the bus you want.
a. If
b. don't
c. good
d. to find