It’s bad manners to blow your nose at table.A. /; theB. the; aC. /; /D. the; /

问题补充：

It’s bad manners to blow your nose at table.

A. /; the

B. the; a

C. /; /

D. the; /

答案：

A. /; the

B. the; a

(答案→)C. /; /

D. the; /

解析：bad manners意为“坏习惯”，其前不用冠词；at table意为“吃饭”，而at the table意为“在桌子边”。