The boy would have died, _______ on him without delay.

y find the key to themaths problem on page 107 —Ah, it’s so simple I wonder why I ________ of that

Anne couldn’t concentrate ______what she was doing while her friends were playing cards.

Do you mind my smoking here?—I’m afraid I doPeople _________ not to smoke in the reading room

Steps must be taken _____ this kind of disaster will never happen again