Change these sentences into passive voice do you write this letter?

104.Do you write this letter?

=>Is this letter written ?

105.Where do you borrow this novel?

=>Where is this novel borrowed?

106.The size of the pyramid surprised the visitors.

=>The visitors were surprised by th size of the pyramid.

107.They write the letter in English.

=>The letter is written in English.

108.This cow has given lots of milk.

=>Lots of milk have been given by this cow.

109.People can grow potatoes in this farm.

=>Potatoes can be grown in this farm.

110.An usher showed them to their seats near the stage.

=>They were showed to their seats near the stage by An usher.

111.People elected Mr. Baker the President.

=>Mr.Baker was elected the president.

112.Did Shakespeare write “King Lear” ?

=>Was "King Lear" written by Shakespeare?

113.They call the big machine in the yard a combine

=>The big machine is called in the yard a combine..

114.We shall announce the result of the examination on Monday.

=>Announce the result of the examination is shalled on Monday.

115.Why didn’t they turn on the light?

=>Why wasn't turned on the light?

116.Do they have to grow grass?

=>Is grass have to grown by them?

117.I have seen that exciting film many times.

=>That exciting film has been seen.

118.They use the combine harvester for harvesting rice crops.

=>The combine harvester is used for harvesting rice crops.

119.People call them pop singers.

=>The are called pop singers.

120.Why do farmers keep grass in the pasture?

=>Why is grass kept in the pasture by farmers?

121.Have they cut grass for hay?

=>Has grass been cut for hay?

122.Last night, the visitors ate all the cakes.

=>Last night,all the cakes were eaten by the visitors.

123.I didn’t know the name of the new machine.

=>The name of the new machine wasn't known.

124.They fertilized the land with manure.

=>The land was fertilized with manure.

125.Mr. Kent hasn’t washed his car for ages.

=>His car hasn't been washed for ages by Mr.Kent.

126.Bill rang his boss yesterday.

=>His boss was rung by Bill yesterday.

127.Did the tourists visit that old church last week?

=>Was that old church visited by the tourists last week?