It’s really a great pity that all of you ____ leave sosoon It’s been pretty nice having you all at my birthday party

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。

The charity sale our school organizes every year has taught us much that we would never have _____ learned in class

I could ________ my bed and ________ my clothes.

Bob! How’s your project? I heard you started it last Friday，right?—Oh！I____for it．But I haven’t decided when to do it