将下列各题划线部分发音不同的选项填入前边括号内:
— What’s in _____box ? There is ______ordinary camera in it .
---Did the teacher say _____________? ---Yes, by bus .
---Hi , Tom ! I am worried about my English. Could you tell me ? ---Sure. Read more and write more.
—Tony, _____ you ________smoking? —Yes. Drinking tea is my favorite past time now.
---Have you heard of the Zhengzhou-Xi’an passenger Dedicated Line ___ can shorten 5 hours’ travel time between the two cities ? ---Of course . A. where B. when C which D. who