.
If this computer does not give complete satisfaction, please return it to the maker stating when and where it was ________.
| A．designed | B．operated | C．purchased | D．made |
All the students in our class buried themselves ________studies，________
the coming exam.
| A．in；preparing |
| B．in；preparing for |
| C．for；prepared |
| D．for；prepared for |
－Did you watch the football match last night?
－No，there was something wrong with my TV and it couldn't __________any programs.
| A．send up |
| B．get up |
| C．pick up |
| D．take up |
________ is no possibility ________Jack will win the first place in the competition.
| A．There；that |
| B．It；that |
| C．There；whether |
| D．It；whether |
It suddenly ________to me that I had forgotten to bring my umbrella with me.
| A．appeared |
| B．happened |
| C．occurred |
| D．taken place |
It is said that the library has 20 million books________.
| A．at all |
| B．in all |
| C．above all |
| D．after all |