India has the second _______ population inthe world.

Living things are dying out quickly. Let’s ask ____ destroying them in the past years.

a mystery and a shock to all who knew him that he____ have taken his own life in this way.—What a pity, indeed.

e valley was _____ in sunlight, andthe children were singing and jumping with joy

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