fire, all exits must be kept clear.
—__________ he or his friends going to the party?—He as well as his friends __________ going.
It's the second time that I __________ in Shanghai ! What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
__________ I wrote a little poem, I confidently placed it right on my father's plate on the dining-room table.
When I met him the other day,it was the first time we __________ each other since we were at school.
By the time Jack returned home from England, his son __________ from college.