Bài giải

Đổi: 1 giờ 20 phút = 80 phút

Cả hai vòi chảy được số lít nước là:

(25 + 15) x 80 = 3200 (l)

Đáp số: 3200 lít nước.

3 m² 125 dm² = 425 dm²

Lỗi rồi

C. 89999

Động từ: cho

Ex1. Write as example.

VD: play => plays

Ex 2: Write the correct forms of the verb in the brackets

VD: I (be) am in class 4B.

1. My mother often (water) waters the flowers in the morning.

2. My father (not go) doesn't go to work by motorbike every day. He (go) goes by bus.

3. My brother never (go) goes swimming because he can’t (swim) swim.

4. We (brush) brushes our teeth twice a day.

5. Nam and Phong usually (play) plays football in the afternoon.

6. My sister (study) studys at Nguyen Du Primary School.

7. The Browns (be) are from England.

8. My school (be) is big and nice.

9. I (not have) don't have English on Mondays.

10. Peter (have) has some pets.

Ex 3. Circle and correct one mistake in each sentence.

1. How old are you? - I am fine.

Mistake: fine

Correct mistake: fine => one, two, three, four, five, six, seven,...

2. There are a kitchen in my house.

Mistake: are

Correct mistake: are => is

3. She often visit her grandma on Sundays.

Mistake: visit

Correct mistake: visit => visits

4. How many dolls does your sister has?

Mistake: has

Correct mistake: has => have

5. Peter often go swimming in the afternoon.

Mistake: go

Correct mistake: go => goes

6. I studies at school from Monday to Friday.

Mistake: studies

Correct mistake: studies => study

7. Nga’s brother does not likes dancing. He likes singing.

Mistake: likes

Correct mistake: likes => like

8. My sisters never plays football and volleyball.

Mistake: sisters or plays

Correct mistake: sisters => sister or plays => play

9. My father often watchs TV after dinner.

Mistake: watchs

Correct mistake: watchs => watches

10. Where’s the balls? - They’re under the table.

Mistake: Where's 

Correct mistake: Where's => Where're

Ex 4: Reorder the words

1. visits / often / I / Sunday. / my grandpa / on

I often visits my grandpa on Sunday.

2. in the / Does / father / evening? / watch TV / your

Does your father watch TV in the evening?

3. does / English? / When / have / Quan

When does Quan have English?

4. does / Mr Hung / Sunday. / go to work / Saturday and / on / not

Mr Hung does not go to work on Saturday and Sunday.

5. has / Monday / Nga / Thursday. / and / Science/ on

Nga has Science on Monday and Thursday.

6. every morning. / father / waters / My / the flowers

My father waters the flowers every morning.

7. draw / during / We / Art lessons. / pictures

We draw pictures during Art lessons.

8. learns / during / Minh / how to / Maths lessons. / calculate

Minh learns how to calculate during Math lessons.

9. every / Maths / I / school day. / have

I have Maths every school day.

10. subjects / your sister / on / What / Tuesday? / does / have

What subjects does your sister have on Tuesday?

Ex 5. Answer the questions

1. What does your mother often do on Sunday? (cook meals and clean the house)

My mother often cooks meals and cleans the house.

2. When does your brother have Maths? (from Monday to Friday)

He has Maths from Monday to Friday.

3. What subject does Nga like best? (English)

She likes English.

4. What do you like doing? (fly a kite)

I like flying a kite.

5. When is your birthday? (the third of November)

My birthday is on the third of November.

6. Where is your school? (Thanh Hai Village)

It's in Thanh Hai Village.

7. What subjects do you have on Wednesday? (Maths, Vietnamese and Art)

I have Maths, Vietnamese and Art.

Ex 5. Answer the questions

1. What does your mother often do on Sunday? (cook meals and clean the house)

My mother often cooks meals and cleans the house.

2. When does your brother have Maths? (from Monday to Friday)

He has Maths from Monday to Friday.

3. What subject does Nga like best? (English)

She likes English.

4. What do you like doing? (fly a kite)

I like flying a kite.

5. When is your birthday? (the third of November)

My birthday is on the third of November.

6. Where is your school? (Thanh Hai Village)

It's in Thanh Hai Village.

7. What subjects do you have on Wednesday? (Maths, Vietnamese and Art)

I have Maths, Vietnamese and Art.

Ex 4. Reorder the words

1. visits / often / I / Sunday. / my grandpa / on

I often visits my grandpa on Sunday.

2. in the / Does / father / evening? / watch TV / your

Does your father watch TV in the evening.

3. does / English? / When / have / Quan

When does Quan have English?

4. does / Mr Hung / Sunday. / go to work / Saturday and / on / not

Mr Hung does not go to work on Saturday and Sunday.

5. has / Monday / Nga / Thursday. / and / Science/ on

Nga has Science on Monday and Thurday.

6. every morning. / father / waters / My / the flowers

My father waters the flowers every morning.

7. draw / during / We / Art lessons. / pictures

We draw pictures during Art lessons.

8. learns / during / Minh / how to / Maths lessons. / calculate

Minh learns how to calculate during Maths lessons.

9. every / Maths / I / school day. / have

I have Maths every school day.

10. subjects / your sister / on / What / Tuesday? / does / have

What subjects does your sister have on Tuesday?

Ex 3. Circle and correct one mistake in each sentence.

1. How old are you? - I am fine.

Mistake: fine

Correct mistake: fine => one, two, three, four, five, six, seven,...

2. There are a kitchen in my house.

Mistake: are

Correct mistake: are => is

3. She often visit her grandma on Sundays.

Mistake: visit

Correct mistake: visit => visits

4. How many dolls does your sister has?

Mistake: has

Correct mistake: has => have

5. Peter often go swimming in the afternoon.

Mistake: go

Correct mistake: go => goes

6. I studies at school from Monday to Friday.

Mistake: studies

Correct mistake: studies => study

7. Nga’s brother does not likes dancing. He likes singing.

Mistake: likes

Correct mistake: likes => like

8. My sisters never plays football and volleyball.

Mistake: sisters or plays

Correct mistake: sisters => sister or plays => play

9. My father often watchs TV after dinner.

Mistake: watchs

Correct mistake: watchs => watches

10. Where’s the balls? - They’re under the table.

Mistake: Where's 

Correct mistake: Where's => Where're

À nhầm nhé, cái này mình chỉ làm bài 3 thôi