23．In view of lacking preparations for the competition and not wanting to lose face, Johnson eventually decided to _____．
| A．drop in | B．drop off | C．drop back | D．drop out |
We hung a net round the bed, which could protect us _____ mosquitoes and other insects.
| A．from | B．by | C．off | D．under |
Never judge a man by his _____ alone — you might be fooled by what he looks like.
| A． character | B．appearance | C．intelligence | D．application |
_____, I think the show is going to be a great success though many people don’t think highly of it.
| A．Personal | B．Logical | C．Personally | D．Logically |
We can’t afford such an expensive car. You know, our total _____ adds up to no more than $10,000 a year.
| A．income | B．loss | C．cost | D．charge |
However busy he is, the young man will go to the country to see his granny _____.
| A．every few days | B．every a few days | C．each few days | D．each a few days |