-The tree is so tall.-Yes. It ________nearly 20 meters.
This is the ________spot on which the first pilgrims landed in America.
It is the first time that the Chairman of the NPC Standing Committee,Wu Bangguo ________a visit to America to discuss shared interests.
Mary and Jane who are similar ________each other are very similar ________outlooks (看法).
-Don't you think that her performance has made a sensation?-Who but you can be ________by that?
-Whose bag is this?-It's not mine. It must be________.