If you travel to another country, on business or vacation, it is helpful to learn some of the country’s customs ________ you don’t offend the local people. [ ]

Liping has never gone to Japan, but he speaks Japanese____ he were Japanese

Could you tell me ___ all of you think of your teacher? —She’s a good teacher.

Hi．Li Lei! What class are youin一 ．

only got this small bookcase. Will that do—- No, _ _ I am looking foris something much bigger and stronger.