of children by 2060,when each group ____ toaccount for about one fifth of the population

There will be a football match tomorrow. Would you like to gowith me ––If I have time, I _______ with you.

Listen! Is Mary singing in the next room—No. It _______ be Mary．She has gone to Shanghai for an important meeting.

I’m fed up with studying —What nonsense! You’ve only got one year more to do Then you’ll have your qualification and after that _____________

Thanks for the delicious food. —________.