Question

【题目】It's so wise you to organize this trip. It's necessary us to go on a trip sometimes.
A.for; of
B.for; for
C.of; for
D.of; of

Answer 1

【答案】C
【解析】考查固定句型的应用。句意：你能组织这次旅行是很明智的。有时我们要去旅行是有必要的。It's +形容词+of sb+to do sth 某人做的事体现某人的品行的用介词of．It's +形容词+for sb+to do sth 某人所做的事不体现某人品质的用介词for ．根据句意，C符合题意。故选C．