________ by keeping down costs will Power Data hold its advantage over other companies.
| A．Only | B．Just | C．Still | D．Yet |
— I will turn to another topic. Can you follow me well?
— _______. Please go on.
| A．Yes, I will | B．Yes, perfectly | C．No, I won’t | D．No, I can’t |
The old couple _______ their son; what would they do without him?
| A．adore | B．admire | C．envy | D．respect |
It was _______ I had time to speak that he rang off.
| A．after | B．when | C．before | D．until |
The thief was caught by some customers and _______ to the police.
| A．handed over | B．handed in | C．handed out | D．handed down |
— What is Tom like?
— He is polite and _______ to the old.
| A．respected | B．respectable | C．respecting | D．respectful |