—Our food will ______. Hurry to get help from the nearby villagers.—No need, it will last us for as long as two weeks.
The doctors must get there in half an hour. There should be no____ in sending the blood to the dying girl .
.Among all the problems,_______is so difficult as this one.
It was 1920 ______ regular radio broadcasts began.
_____ is reported in the newspaper that talks between the two countries are making progress.
Have you any knives? I need a sharp ________.