问题

Unfortunately, when I dropped in, Professor Smith ________, so we only had time for a few words

A:has just left
B:had just left
C:just left
D:was just leaving

正确答案是：

同类题型

Her forehead _____ hot I’m afraid she isill

So far it has been suggested that special stress _____ on pre-school education.

Is her name Kate —__________

It was at the gate of our school ____we gave the visitors a warm welcome.

Who would you rather with you, Tom or Henry?