问题
Unfortunately, when I dropped in, Mr. Smith __________. So we only had time for a few words.
A:has just left;
B:was just leaving;
C:had just left;
D:just left;
B:was just leaving;
C:had just left;
D:just left;
正确答案是：
同类题型
We were very tired and walked with difficulty，but we got home ______.
My uncle called and asked me if I had the birthday gift from him.
Are these seats available?—Sorry, sirThe seats ________
Is Mr. Green in the office?—No, he ________ be in the office. Look, thelight in the office is off.
He waited ________ the volcano became quiet and he was able to return two days later