问题
The survey ____ in our school last monthshows that about three percent of the students are addicted to the Internetgames
A:that
B:when
C:what
D:why
B:when
C:what
D:why
正确答案是：
同类题型
The climbers _____ their ambition by reaching the summit of the mountain.
John isn’t here right now. He ______ Mr. Black’s office. Perhaps he______ in several minutes.
Do you enjoy your present job at Coming Inc.-_______. I just do it for a living.
Mr. Black, may I leave now—Well, if your work ________, you can go home.