Teenagers have the abilities to make their own ________.

____ bike is this—I think it’s Sally’s.

Could you predict how manyaudience your speech ____ to the reasons for the need to raise interest rates

all___ for international conferences is of greatimportance．—I see, and we are sure to complete it on time．

You’d better ask Mr Wang for help when _______ problems.—I see, but I’m not sure when _______ time.