a number of paintings in the castle are believed___in a fire
1个回答

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.