Here you will find the keys to the review worksheet for unit 2    2.1 Grammar   1.   1. Enough  2. too  3. too many  4. old enough  5. too much   2.   1. D  2. B  3. A  4. F  5. C  6. E   3.   1. enough  2. too many  3. too much  4. too  5. too many  6. too much   2.2 Grammar   1    PC PS  PS PC  PS PC  PC PS  PS PAC  PC PS   2   1. was dreaming, woke  2. did you become, were visiting  3. was riding, fell  4. was sailing, hit  5. wasn't looking, crossed  6. had, was having   3   was studying  when  started  noticed  while  was standing  were chatting  when  asked  was she wearing?  while  happened        
 
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