.在字母表中,______和______ 两个字母可以单独成词。

— Whose shirt is this? Is it Tom's? — No, it isn't. _______ is white.

—Excuse me, is this _______ new camera?—Yes, it’s _______. 

— ______ did you spend your summer vacation last year?— In England. 

This is not my Walkman. It’s _________. Mine is over there.