10. By the middle of the 21st century , the vast majority of the world’s population ________ in cities rather than in the country.
But for their help, we ________ the program in time.
----If the traffic hadn’t been so heavy, I could have been back by 6 o’clock. ----What a pity! Tina _________ here to see you
He was about halfway through his meal ________ a familiar voice came to his ears.
We _______ all club members to attend the annual meeting.
He has a gift for music, so he __________ in the contest.