.We gathered ________ the gate to see the foreign guests __________.
.I was __________ to sit down when the teacher asked me to answer another question.
要有答案和解析
介词、副词！！所以1.at off我们在大门口集合来欢送外国客人see...off为...送行2.about当老师要我回答另一道问题的时候，我正要坐下去呢be about to表示即将发生的动作，在时间上指最近的将来，（不能加时间状语修饰）比如The medical team is about to start immediately.是错的。医疗队就要出发...
