13.- My next-door neighbor _______________________ very inactive _____________ she became ill.
14.- He _________________ a great deal of trouble with his boss ______________ he
started working for the company.
15.- Betty Smith, a good friend of mine, ____________________________ a very unhappy
woman ________________ the death of her husband.
16.- My house plants ____________________ much better ___________________ I fed
them with a new kind of organic fertilizer.
17.- I __________________ my best friend __________________ more than fifteen years.
18.- My parents _______________________ their car ______________ 1951. It has
become an antique.
19.-We __________________ in this room _________________ about an hour and a half.