a number of paintings in the castle are believed___in a fire(动词不定式)a number of paintings in the castle are believed___in a fire.A.having been destroyedB.to have been destroyed

问题描述:

a number of paintings in the castle are believed___in a fire(动词不定式)
a number of paintings in the castle are believed___in a fire.
A.having been destroyed
B.to have been destroyed

B.to have been destroyed
句型:
Sb/ Sth is believed/ thought/ considered/ reported/ said...+ 不定式(一般式, 进行式, 完成式)

说明: 此句型后面只能是不定式, 不可以是动词的ing 形式
再如:
He is said to be a student.
=It is said that he is a student.

The ship is reported to have sunk.
= It is reported that the ship has sunk.

She is believed to do doing her homework.
=It is believed that she is doing her homework.