***—What are _______ teachers doing?
—They are having a meeting.
A. this B. that C. those
答案C
【解析】考查代词的用法。根据主谓一致的原则，只有those “那些”可与teachers连用，this, that后接名词单数形式。故选C。
2、— Can you cook by____?
— Yes, I can cook well
A. you B. yours C .yourself
答案：C
【解析】本题考查代词的用法。by yourself表示单独地，独自地。根据题意：-你能独自烹饪吗？-是的，我能做得很好。故本题选C。
