It is ______ work of art that the museum has decided to buy and keep it .A such an unusual B a so unusual C such unusual D so unusual
People think “SOS” is the simplest and common to make, in time of danger or disaster.
There has been no so far from the police about the cause of the poor girl’s death after the college entrance examination.
_______ the top leader, all of the other officers entered the hall.
To her anger, when she sat down, she found a piece of paper on her desk _____ “Stupid Sarah got a D!”
Mr. White, along with his assistants, ______ on the project day and night to meet the deadline(最后期限).