Put the verbs in brackets into the correct tense and voice

The houses of parliament is the seat of the British Parliament, a great mass of buildings on the east bank of the Thames in London. It _______ (to build) in the 19th century after plans by sir Charles Barry. The houses of parliament________ ( to include) three massive towers Victoria tower, middle tower and saint Stephen or the clock tower which _________(to contain) a clock and a great bell, Big Ben, weighing 13.5 tons. There _______( to be) also the house of peers, the house of commons ,the residence of the speaker, the libraries and the offices. In world war ii the buildings ____________(to bomb) heavily and seriously ______________(to damage).

1)it built in the 19th century after plans by ...

2). include three massive towers...

3) contains a clock and  a geat bell...

4) is also the house..

5) bombed heavily and seriously

6) damaged