【2015·陕西】At college, Barack Obama didn’t know that he the first black president of the United States of America.
| A．was to become | B．becomes | C．is to become | D．became |
The most important _____ of his speech was that we should all work whole-heartedly for the people.
| A．element | B．spot | C．sense | D．point |
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 |
The managing director promised that he would _____ me as soon as he had any further information.
| A．communicate | B．notice | C．notify | D．note |
These plastic flowers look so _____ that many people think they are real.
| A．beautiful | B．natural | C．artificial | D．similar |
When the big bills for mother's hospital care came, father was glad he had money in the bank to _____.
| A．fall short of | B．fall through |
| C．fall back on | D．fall in with |