Recentlyasurvey_______pricesofthesamegoodsintwodifferentshoppingmallshascausedheateddebateamongcitizens. [ ]

一 Mr. Liu Beijing last week一No, but he Beijing with his daughter next month.

Must I finish that work today—-No, you _____. You may finish it in three days.

is one of the greatest scientists, who won the Nobel Prize forphysics.

With so many problems ____, the newgovernment is in rather a difficult situation.