I. Rewrite the following sentences so that the second sentence means the same as the first one. (0,5pt)

1. By the time my mother came home, my father had watered all the plants in the garden.

       @ Before _________________________________.

2. The volunteers have rescued three cats.

       @ Three cats _________________________________________.

III. Give the correct form of the verbs in brackets. (1pt)

1. Before she watched TV, she (do) _______________ all her homework.  

2. Chess (play) _______________ for about two thousand years.         

3. If we use water carefully, more people (have) ______________ fresh water.

4. What would you do if you (see) _______________ a ghost at night?