下列各句中加点词的用法与例句相同的一项是例：足食，足兵，民信之矣

Dick, ________ I use your e-dictionary— Yes, sure. ________ you give it to David after you use it

20. When a stick is partly in a glass of water, it looks ________ it were broken.

Air pollution is one of the problems that we can’t afford to _____.

There are so many beautiful clothes in the store. I really don’t know _____.