The chief reason for the population growth isn’tso much a rise in birth rates ________ a fall in death rates as a result ofimprovements in medical care.

I’m sure Andrew will win the first prize in the final.-I think so. He____for it for months.[ ]

It looks like the weather is changing for_______. Shall we stick to our plan? [ ]

The new movie _____to be oneof the biggest money-makers of all time

Mandela, who was elected ______ president of South Africa in 1994, is generally regarded as ______ father of the country.