"It would have been bad manners to make his guests feel foolish or uncomfortable" "Bad manners " means ________

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

29．__________ when you are on the bus or bike．

The word “offend” originally meant to “ to strike against”. But now the word signifies “ to create or excite anger”. This is an example of ______.

His parents are present there ______, but their minds are somewhere else. 

—Which foreign language are you better at, English or French?—I am sorry I know _______of English and _______of French.

?AT(”大学”，“北京语言文化学院”)的答案是_________。

A sound which is capable of distinguishing one word or one shape of a word from another in a language is a__________．

______ it or not , his discovery has created a stir in scientific circles.

______ are web sites that search the web for occurrences of a specified word or phrase.

Some cable services offer 1.5 megabyte or higher access for as ______ as $40 a month, but there are some restrictions regarding service.