---Jack________ drugs and drink now. ---We don’t doubt that drugs and drink will ________his ruin.
.The Chinese language differs from many Western languages___________it uses characters which have meanings and can stand alone as words.
.Don’t be frightened by sharks as there is___________chance of being hit by lightning than being attacked by a shark.
.Polly found herself_________ up at a man_________with his hand___________on her arm.
The possibility____ pleasant smells might reduce pain has recently been suggested by new research.
_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.