503.Graduation is a good time to thank those who have helped you _______ the tough years.
A.through
B.up
C.with
D.from
504.When asked about their opinions about the schoolmaster,many teachers would prefer to see him step aside ______ younger men.
A.in terms of
B.in need of
C.in favor of
D.in praise of
503.答案是A;help sb.through the rough years 帮助某人度过艰难岁月。
504.答案是C;考查介词短语在具体语境中的运用。句意:当被问到对于校长的看法时，许多老师都愿意看到他靠边站为年轻人让路。In terms of 就…而论；in need of 需要；in favor of 赞成;in praise of 表扬，赞扬。
