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trang rin
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Quỳnh Nhi
8 tháng 1 2018 lúc 20:19

➩Today , the scientists in the world (do) are doing research on Aids.

Tick nhesss leu

Nguyễn Ngô Minh Trí
8 tháng 1 2018 lúc 20:28

Today , the scientists in the world do research on Aids

Tiểu thư tinh nghịch
8 tháng 1 2018 lúc 20:44

today , the scientists in the world (do) will do research on Aids

Luu Bao Ngoc
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So Yummy
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Ngố ngây ngô
15 tháng 12 2018 lúc 16:55

1.His brother (finish).........finished................hight school 6 years ago

2.The farmer in my village often (begin).........begins...............their work very early in the morning

3.Today,the scientists in the world (do)...........do........research on Aids

4.We (leave)...........will leave..............for Ha Noi on the earliest plane tomorrow

5.When we were kinds,we (not understand)........didn't understand............... the importance of choosing a career

6.You'd better (not driver).........not drive............too fast

7.Thank you for (invite)............inviting............me to your birthday party

8.After (have)...........having...........breakfast,we go to school

9.Be quick or we (miss)........will miss....................the last bus

10.I need (repaint)......to repaint................my living room

Thảo Phương
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Linh Diệu
26 tháng 2 2017 lúc 19:24

Try to show your work as much as possible.

How many zeros are there in one million?

Khai studies six hours a day, six days a week. He is definitely not lazy at all.

The scientists in the world are __doing___ research on AIDS.

May I help you? – I want a litter of cow milk, please.

How do you often help your parents __with__ the housework?

Last month, her mother taught her how to use a sewing __machine_____.

You can play whatever games you like in summer holiday.

I know. You are fed up __with__ this problem.

You have to work hard when you grow up.

That woman is very pleasant, but her younger sister is a little unfriendly.

Do you live near your parents? – No, I live __far_ from them.

Who do you often go to play football __with__ in the afternoon?

Henry has a lot of __pain__ in his head.

Linda is ___better___ at math than me.

Thảo Phương
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Lê Bảo Gia Phúc
26 tháng 2 2017 lúc 15:47

Try to review your work as much as possible.

How many zeros are there in one million?

Khai studies six hours a day, six days a week. He definitely not lazy at all.

The scientists in the world are doing research on AIDS.

May I help you? – I want a liter of cow milk, please.

How you often help your parents with the housework?

Last month, her mother taught her how to use a sewing machine.

You can play whatever games you like in summer holiday.

I know. You are fed up with this problem.

You have to work harder when you grow up.

That woman is very pleasant, but her younger sister is a little unfriendly.

Do you live near your parents? – No, I live far from them.

Who do you often go to play football with in the afternoon?

Henry has a lot of pain in his head.

Linda is better at math than me.

Thảo Phương
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Miko
27 tháng 2 2017 lúc 11:46

How many zeros are there in one million?

Khai studies six hours a day, six days a week. He is definitely not lazy at all.

The scientists in the world are doing research on AIDS.

May I help you? – I want a liter of cow milk, please.

How you often help your parents with the housework?

Last month, her mother taught her how to use a sewing machine.

You can play whatever games you like in summer holiday.

I know. You are fed up with this problem.

That woman is very pleasant, but her younger sister is a little unfriendly.

Do you live near your parents? – No, I live far from them.

Who do you often go to play football with in the afternoon?

Henry has a lot of pain in his head.

Linda is better at math than me.

Lê Quỳnh  Anh
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Dương Hoàn Anh
24 tháng 9 2018 lúc 16:56

Chọn A

Trong câu xuất hiện giới từ “since”, nên động từ chính trong câu phải được chia ở thì hiện tại hoàn thành để chỉ hành động diễn ra liên tục từ quá khứ đến hiện tại.

Dịch câu: Rất nhiều nhà khoa học trên toàn thế giới đã làm rất nhiều thứ để chống lại bệnh AIDS kể từ năm 1980.

Lê Quỳnh  Anh
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Dương Hoàn Anh
20 tháng 2 2018 lúc 4:50

Đáp án là D . According to (them ): theo (họ - các nhà khoa học )

Lê Quỳnh  Anh
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Dương Hoàn Anh
31 tháng 8 2019 lúc 11:14

Đáp án là D. ever before: đã từng trước đó