They do have a different to the problem of overpopulation.
I _______ have been more than six years old when the accident happened.
Men usually go straight to ________ they want and leave quickly when shopping.
In the reading-room, we found Winifred ____at a desk, with her attention _____on a novel.
In the questionnaire, the subjects are questioned whether they____banning cars in the city centre.
____ to give up smoking, he threw away his _____ cigarettes.