It's a rule for all the students to _____ their places ahead of 5 minutes waiting for the class to be started.
_______the match is lost? We can fight again!
These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on.
I made a fire ____up the room as soon as my father came in.
The scientists predict that if present trends____, women in 400 years will be 2cm shorter and have healthier hearts.
—How about going out for a picnic on Sunday morning? —Hmm.___.The weather is very good these days.