Alice _____ her father that both she and her husband would be happy if he would live with them.
| A．convinced | B．reinforced | C．pledged | D．required |
I didn't want to go with him, so I invented a (n) __________ about things I had to do on Friday.
| A．excuse | B．reason |
| C．cause | D．explanation |
"The final exam is coming. You'd better concentrate ___________ your study. " Mother informed me __________ it.
| A．to; of | B．on; off |
| C．in; on | D．on; of |
The shop was not far from here, so they went there on foot __________ by bus.
| A．instead | B．instead of |
| C．more than | D．than |
We will do it ourselves __________ asking others to help.
| A．instead of | B．instead |
| C．but | D．however |
Briggs will __________ as general manager when Mitchell retires.
| A．get away | B．take over |
| C．set off | D．run out |