The book you bought is more expensive than _______.
| A．that | B．my own one | C．that one | D．my one |
. Mr Black was much disappointed to see the computer he had had _______ went wrong again.
| A．it | B．it repaired | C．repaired | D．to be repaired |
They _______ on the program for almost one week before I joined them, and now we on it as no good results have come out so far.
| A．had been working; are still working |
| B．had worked; were still working |
| C．have been working; have worked |
| D．have worked; are still working |
Few pleasures can equal _______ of a cool drink on a hot day.
| A．some | B．any | C．that | D．those |
—Mom, what did your doctor say?
—He advised me to live _______ the air is fresher.
| A．in where | B．in which |
| C．the place where | D．where |
Unlike watching TV, reading is a highly active process (过程) _______ it requires attention as well as memory and imagination.
| A．until | B．but | C．unless | D．for |