--Who is the old man talking with your teacher?
---I don’t know. I him before.
| A．was never seeing | B．had never seen | C．never saw | D．wouldn’t see |
For many cities in the world，there is no room to spread out further，________New York is an example.
| A．for which | B．in which |
| C．of which | D．from which |
By nine o’clock，all the Olympic torch bearers had reached the top of Mount Qomolangma，________appeared a rare rainbow soon.
| A．of which | B．on which |
| C．from which | D．above which |
Gun control is a subject________Americans have argued for a long time.
| A．of which | B．with which |
| C．about which | D．into which |
News reports say peace talks between the two countries________with no agreement reached.
| A．have broken down | B．have broken out |
| C．have broken in | D．have broken up |
She loves music and is now learning to play an ____________.
| A．instrument | B．invitation | C．incident | D．evidence |