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9)I cannot find my dictionary. Someone has taken it.
My dictionary cannot be found. It has been taken by someone.
10)She cannot find her bag. Someone must have taken it.
Her bag cannot be found. It must have been taken by someone.
11)The pupils asked the teacher to tell a story.
The teacher was asked by the pupils to tell a story.
12)The Association asked Mr. Green to make a speech.
Mr. Green was asked by the Association to make a speech.
13)The government is sending him abroad.
He is being sent abroad by the government.
14)He told me to wait here for him.
I was told to wait here for him.
15)Mr. Hopkins has found his wallet.
Mr. Hopkins’ wallet has been found.
16)The workers themselves invented the new machine.
The new machine was invented by the workers themselves.
17)They set up this hospital in 1950.
This hospital was set up in 1950.
18)Tom broke the window.
The window was broken by Tom.
19)Did you write the letter?
Was the letter written by you?
20)They do not make this kind of watches in Beijing.
This kind of watches are not made in Beijing.
21)People call him Little Old Man.
He is called Little Old Man.
22)John answered all the questions.
All the questions were answered by John.
23)The farmer was ploughing the field.
The field was being ploughed by the farmer.
24)People speak English in almost all the countries of the world.
English is spoken in almost all the countries of the world.
25)The wind blew the clouds away.
The clouds were blown away by the wind.
26)We shall paint the room.
The room will be painted.
27)Must I do all the exercises on my own?
Must all the exercises be done?
28)I am going to ring Tom up.
Tom is going to be rung up.
n. 皮夹，钱包
