Đáp án là: The roof of the house is being repaired by my father now.

my father is going to have someone repair the roof of our house

=》my father is going to have the roof of our house repaired

will the solar panels be installed on the roof of the house tommorrow?

Will the solar panels be installed on the roof of the house tomorrow?

1,photo/my family/and/tell/about/us/me/let/a/is/here/of/you/.

Here is a photo of my family and let me tell you about us.

2,smaller/new/old/her/house/Hoa's/one/school/is/than/.

Hoa's old school is smaller than her new one.

3,a/mechanic/my/he/father/works/is/a/the/in/in/factory/city/and/.

My father is a mechanic. He works in the factory in the city.

4. here /friends /to /because /new /of /my /is /worried /she /is /all /students/.

She is worried because she is a new of all students here.

5,the/to/go/museum/bus/car/by/by/do/have/or/they/?

Do they go to the museum by bus or by car?

6,the/United States/one/largest/the/of/is/library/world's congress/of/libraries/.

One of the world's largest libraries is the United States Library of Congress.

7,household/the sitting room/repairing/brother/some/in/my/now/appliances/is/.

My brother is repairing some household appliances in the sitting room now.

8,friends/common/recess/eating/with/are/ways/the most/relaxing/talking/at/and/of/.

Eating and talking with friends are the most common ways od relaxing at recess.

9,computer/use/science class/in/Hoa/computer/a/learns/her/to/how/.

Hoa learns how to use a computer in her science class.

10,the bell/into/the students/ten/and/go/past/rings/all/the/yard/half/at/.

At half past ten, the bell rings and all the students go in to the yard.

Passive Voice -present progressive

1 Somebody is cleaning the room at the moment

-> The room is being cleaned at the moment

2 She was arranging the flowers when i came

-> The flowers were being arranged by her when i came

3 They were building the wall when it started to rain

-> The wall was being built when it started to rain

4 The teacher is telling the students a funny story

-> The students are being told a funny story by the teacher

5 Somebody was following her when she turned back

-> She was being followed when she turned back

6 They are watering the flowers in the garden now

-> The flowers are being watered in the garden now

7 My father is repairing the car in the garage at the moment

-> The car is being repaired in the garage by my father at the moment

8 Jonh is calling other members in his class now

-> Other members in John's class are being called by him now

9 Martha was delivering the documents to the department

-> The documents were being delivered to the department by Martha

Passive Voice -present progressive

1 Somebody is cleaning the room at the moment

=> The room is being cleaned at the moment

2 She was arranging the flowers when i came

=> The flowers were being arranged by her when i came

3 They were building the wall when it started to rain

=> The wall was being built when it started to rain

4 The teacher is telling the students a funny story

=> The students are being told a funny story by the teacher

5 Somebody was following her when she turned back

=> She was being followed when she turned back

6 They are watering the flowers in the garden now

=> The flowers are being watered in the garden now

7 My father is repairing the car in the garage at the moment

=> The car is being repaired in the garage by my father at the moment

8 Jonh is calling other members in his class now

=> Other members are being called in his class by John now

9 Martha was delivering the documents to the department

=> The documents were being delivered to the department by Martha

1. My dog will be taken to see a doctor tomorrow because of his sickless.

2. This old computer will be sold for purchasing news telephone.

3. Will the solar panels on the roof of the house installed ? 

   Mình làm theo ý hiểu nên có sai thì thông cảm

I, complete the second sentence so that is has the same meaning as the first sentence
1.we started learning english 3 years ago
.we have been learning english for 3 years
2. my father smoked cigarettes 5 years ago , but now he doen't smoke any more
my father used to smoke cigarettes 5 years ago
3. my mother tidies the iving room everyday
the living room is tidied every day by my mother

4. nga doesn't have many friends in HN
nga wishes she had many friends in HN
5. she isn't here
she wishes she were here.
6.Christopher discovered America in 1492
America was discovered in 1492 by Christopher
7. Workers repair the roof of my school
the roof of my school are repaired by the workers

I, complete the second sentence so that is has the same meaning as the first sentence
1.we started learning english 3 years ago
=> We have learnt English for 3 years.
2. my father smoked cigarettes 5 years ago , but now he doen't smoke any more
=> My father used to smoke cigarettes 5 years ago.
3. my mother tidies the iving room everyday
=> The living room is tidied everyday by my mother.
4. nga doesn't have many friends in HN
=> Nga wishes she had many friends in HN.
5. she isn't here
=> She wishes she were here.

6.Christopher discovered America in 1492
=> America is was discovered in 1492 by Christopher.
7. Workers repair the roof of my school
=> The roof of my school is repaired by workers.