In an hour, we can travel to places __________ wouldhave taken our ancestors days to reach.
I’ve already told you that the fourth and last part of the article ______ the most difficult to understand.
Play, often seen as ______activity for kids, is still important in _______ development of teenagers.
Before the college entrance examination,many students have shown of tension.Some have trouble in sleeping while others have lost their appetite.
—Ms Lin looks rather a kind lady.—But in fact she is cold and hard on us.You believe it!
—You hate Jim,don't you?— .I just think he is a bit annoying,that's all.