Which of these cubes cannot be formed from this web？
I was supposed to go to a concert with your sister the other night, but your sister didn't
A. given up
B. stood up
C. left up
D. taken up
听力原文：Who's your favorite person？
(2)
A. China.
B. My mother.
C. English.
D. Computer.
When the wheel on the left begins to turn clockwise:
A. the ball will roll to the left.
B. the ball will roll to the right.
C. the tray will stay level and go up.
D. the tray will stay level and go down.
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