No one will be sad because humans will have learnt to fix many of the problems that affect us now, like war, pollution and hunger, ________ ?
The secretary and principal ________ at the meeting now.
Thirty dollars ________ too expensive.
The number of pages in this dictionary ________ about two thousand.
Now Tom with his classmates ________ football on the playground.
Half of the workers here ________ under 30 ________.