, all the quarrels came to an end.

You never feel worried before an exam, how can you do that —Well, I’ve been working hard all the time. Surely I ______ any exam.

______ healthy, with easy access to affordable medical care, is still a dream for many people,with medicine price______ sharply.[ ]

litter in the street in Singapore, youcould be arrested.

study lost in thought for a long time, I suddenly realizedthat nothing in the world remains.