You will achieve great success _______you have a dream and believe in it.
—Hello.________Mike speaking.Is Ann in? —Sorry,she’s gone to Beijing. A.I am B.This is C.That is
The young man plays________violin very well,but he plays________basketball badly.
________the weather in the south these days?
Here________one of my photos.
—May I use your dictionary?Mine is at home. —________.