4. four parks in the city.
a) There are
b) There is
c) There isn't​

There are

Объяснение:

надеюсь

There are four parks in the city

Объяснение:

There are потому что four parks это- мн.ч

1/ my friend asked me if it was true that my grandfather had fought in the world war ii.2/ he asked me if i  knew the world "brave".3/ my american friend said he liked astana very much and he added that he had been there a year before.4/ the teacher told us alaska is (was) the largest state of the usa.5/ dail  told ann he was going to berlin.6/ the teacher told us london is (was) the capital of great britain.7/ the teacher told us she would  finish her walk at 5 o'clock.8/ he asked me where i was from.9/  my friend asked me  what i could say about my english lesson.10/ his sister told us that  if it didn`t rain that day  she would have a walk.11/ he told us that if he had had enough money he would have bought that bicycle.12/ she told us she would have done the work herself,  if only she had had time.