285.I wonder why he has been acting so strange these days.
Recent pressure at work may ____ his behavior.
A.account for
B.make for
C.change for
D.stand for
286.Their play ____ a great success and brought in a large profit to the theatre.
A.appreciated
B.enjoyed
C.expected
D.seized
285.答案是A；account for解释...的原因;make for有助于，向…前进；change.. for 更换，交换;stand for 代表，象征。
286.答案是B;appreciate 欣赏，感激;enjoy 享受，享有(利益，权益,声誉)。enjoy a great success享有巨大成功。
