问题
选择题
I thought _______ very useful to know the customs of foreign countries.
A.that
B.to coming
C.it
D.to go
答案
答案:C
题目分析:句意:我原以为知道外国的习俗是非常有用的。根据句型I think/thought it+形容词+to do sth.“认为做某事是……”,此处it作形式宾语,真正的宾语是动词不定式短语,故选C。