Before the final examination,many students have shown of tension.Some have trouble in sleeping while others have lost their appetite(胃口).
If Greeks and Turks had not helped each other after the earthquakes five years ago,they____ mortal enemies instead of friendly neighbors later on..
Advances in using genes as well as nanotechnology make it likely __humans will live in the future beyond ____has been possible in the past.
. I don’t ____rock’n roll ,it is much too noisy.
Hanoi declared that it ______by fast-spreading H1V1, which ____other countries nearby.
“Facial transplants are no longer science fiction imagination ,”a surgeon has said,____that they are ___possible but technically complex..