A recent survey shows the number of people who shop in stores ________， while far more are shopping online.

—Ann is in hospital.—Oh,really? I ________know.I         _____go and visit her.

China and the United States held their first strategic dialogue on August 1 and _______ to increase co-operation and constructive relations.

--Was the driving pleasant when you vocationed in Mexico last summer?----No, it ___ for four days when we arrived, so that the roads were very muddy.

.--- I was lucky the win a gold medal in the800-metre race.--- You  ____ through hard training.