你想问那个电视上是什么时,你问:
A:What's this on the TV?
B:What's that on the TV?
C:What's this in the TV?
D:What's that in the TV?
○+○+△=19。
求:△=____,○=____。
A. Your B. May C. erasers D. violin E. library F. Can G. His H. shop I. piano J. rulers