By nine o’clock,all the Olympic torch bearers had reached the top of Mount Qomolangma,________appeared a rare rainbow soon.
It is hard to say what kind of person he is. Sometimes he is very friendly; at other times he ___ be very cold.
In my opinion, ___ matters is not one’s looks, but one’s inner thoughts.
_____ computers are convenient to us in daily life, it may also cause other problems.
So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.
---- If he_____ , he ______ that food. ---- Luckily he was sent to the hospital immediately.