Completion

Hi, can you help me with this?

" The average age of Europe's population (1) .............................................................. to be 52 years old by 2050. This ageing is caused by people living longer (2) ................................................. good medical care and diet, and women having fewer children. The average number of children per European woman is (3) ................................................... one and a half. Much of Europe's population growth is caused not by births but by migrants, that is, people who live in a country (4) .................................................................. they were not born.

1- is predicted / has predicted / is predicting / had been predicted / has been predicting

I say " is predicted"

2- in spite of / in addition to / so that / owing to / with a view to

I say "owing to"

3- casually / boldly / gladly / confidently / merely

I say "merely"

4- which / in which / when / that / with whom

I say " in which"