is my mother.

Who’s your Chinese teacher?–Miss Zhang. She has taught______ Chinese for two years.

在下列句子的空缺处填入词语，最恰当的一项是大使说话 ，他们的工作很特殊，作为官员，他们对一个国家的看法不应该跟当地人 太远，因为他们要跟当地人打交道。

Peter believes the present his sister got is much more wonderful than his, ________— The grass is always greener on the other side.

I think Helen is at home. — No, she ____ be at home, for she phoned me from the airport just five minutes ago. [ ]