The building______next month will be a modern hospital.
—Oh my god! You__ wear slippers to attend the conference. —I'm sorry I forgot there is a conference.
In this experiment, the famous professor showed three different____ to the study of physics.
_______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.