The best reporter was sent to the front to _______ the campaign.

Three hundred firemen raced to the hotel after a smoke detector________the alarm soon after midnight.[ ]

It is the news　　　 most parents of the hope that there is a safe and socially approved road to a kind of life they themselves have not had, but their children can.

.— Do you know Uncle Tom is crazy about gardening?—Sure. He ____ his flowers in the garden now.

Nobody can achieve anything of realsignificance _____ he works very hard.