It was the belief ____ Alex Haley could find his root in Africa ____made him decide to go to Zambia．
A． /, which B．which, that C that ,which D．that , that
Some people either _____ avoid questions of right and wrong or remain neutral about them.
| A．violently | B．sincerely | C．properly | D．deliberately |
His landlady gave him a week's _____ to leave the flat.
| A．threat | B．notice | C．advice | D．caution |
Even if they are on sale, these refrigerators are equal in price to, if not more expensive than, _____ at the other store.
| A．anyone | B．the others | C．that | D．the ones |
When I took his temperature, it was two degrees above _____.
| A．average | B．ordinary | C．regular | D．normal |
When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.
| A．opportunity | B．possibility | C．occasion | D．chance |