President Obama told television viewers that he saw ______ as his duty to run for a second term.
| A．one | B．that | C．this | D．it |
That was the first impression she ___ us when she first gave us an English lesson.
| A．left for |
| B．made to |
| C．left on |
| D．had on |
At the railway station, the mother waved goodbye to her daughter until the train was ___.
| A．out of sight |
| B．out of reach |
| C．out of order |
| D．out of place |
We were ___ to leave our homes because of the flood.
| A．stressed |
| B．pressed |
| C．argued |
| D．persuaded |
Health problems are closely connected with bad eating habits and a ___ of exercise.
| A．limit |
| B．lack |
| C．need |
| D．demand |
Although this phenomenon can’t be understood, it can be ___ in fact.
| A．unacceptable |
| B．tolerated |
| C．misunderstood |
| D．adopted |