449.Mom，where is my lunch pack?
Just where it ________.
A.has been
B.had been
C.was
D.be
450.As a young man,he didn't know that he _____ famous later on.
A.was to become
B.will become
C.had become
D.became
449.答案是C;考查动词的时态。Just where it was.意为就在原先放的地方。
450.答案是A;考查动词的时态。句意:他年轻时并不知道将来会出名。be to+v.表示将来。
