1,Rewrite the sentences in the present perfect tense

1.I first started to play guitar when I was 16.(since)

->I..............have played guitar since................I was 16

2.This is their first visit to the Greek island.(never)

->They.......................have never visited......................the Greek islad before

3.This is not our first time to a roxk concert(already)

->We.....................have already gone....................to a rock concert

4.She arrived a few minutes ago.(just)

->She....................has just arrived................for a few minutes

5.He came to live here two years ago.(for)

->He....................has lived here for...................two years

6.She hasn't phoned her mother yet.(still)

->She.........................still hasn't phoned.......................her mother

7.I started writing this letter a week ago.(for)

->I.........................have written this letter for......................a week

8.The snow started this morning and it is still snow.

->It......................has snowed..................since this morning

4.Change these sentences into passive sentences

1.Bill will invite Ann to the party

Ann will be invited to the party by Bill

2.I didn't write that letter

That letter wasn't written

3.Hundreds of people visit the Write House everyday

The Write House is visited by hundreds of people everyday

4.Everyone doesn't know this fact very well

This fact isn't known very well

5,Do you washthe dishes everyday?

Are the dishes washed everyday?

6,She bought some tulips yesterday

Some tulips were bought yesterday

7,He usually washes his car ecvery Sunday morning

His car is usually washed every Sunday morning

8,Somebody cleans the room everyday

The room is cleaned everyday

9.They cancelled all the flights because of fog

All the flights were cancelled because of fog

10.People do not use this road very often

This road isn't used very often

5.CHANGE THESE SENTENCES INTO PASSIVE SENTENCES

1.That company will publish a textbook next year

A textbook will be published by that company next year

2,My friends told me to change the way

I was told to change the way by my friends

3,Shakespeare wrote many famous plays

Many famous plays was written by Shakespear

4.Bill is driving his brother to the airport

His brother is being driven to the airport by Bill

5.Ales is preparing that repost

That report is being prepared by Ales

thiếu Tiến quân giải phóng miền..... sorry :v

Điền tiếp vào chỗ chấm

- Ngày 12-10-1424, tập kích đồn......Đa Căng........

- Hạ thành ..............Trà Lân.........., buộc địch phải đầu hàng

- Đánh bại quân Trần Trí ở .............Ải Khả Lu, Bồ Ái............ bằng kế nghi binh

- Siết chặt vòng vây .........Nghệ An........, tiến đánh và giải phóng

- Tiến quân ra........Thanh Hóa........., giải phóng .......Diễn Châu...... trong một thời gian ngắn

LƯU Ý

Các bạn học sinh KHÔNG ĐƯỢC đăng các câu hỏi không liên quan đến Toán, hoặc các bài toán linh tinh gây nhiễu diễn đàn (như 1+1 = ?). Online Math có thể áp dụng các biện pháp như trừ điểm, thậm chí khóa vĩnh viễn tài khoản của bạn nếu vi phạm nội quy nhiều lần.

Chuyên mục Giúp tôi giải toán dành cho những bạn gặp bài toán khó hoặc có bài toán hay muốn chia sẻ. Bởi vậy các bạn học sinh chú ý không nên gửi bài linh tinh, không được có các hành vi nhằm gian lận điểm hỏi đáp như tạo câu hỏi và tự trả lời rồi chọn đúng.

I. Dùng các từ gợi ý để hoàn thành bức thư sau :

Dear Hoa,

1. How/ you/ ?/ I/ fine/ thank/ your/ letter/ .

How are you? I am fine. Thanks for your letter

2. I/ sit/ my desk/ and/ think/ you/ .

I am sitting at my desk and thinking about you

3. today/ sun/ shine/ brightly/ birds/ sing/ .

Today, the sun is shining brightly and the birds are singing

4. I/ know/ you/ busy/ learn/ English/ .

I know you are busy learning English

5. I/ hope/ can/ learn/ English/ well/ .

I hope you can learn English well

Love,

Mai .

A=(3^0+3^1+3^2+3^3)+(3^4+3^5+3^6+3^7)+...+(3^2009+3^2010+3^2011+3^2012)

A=40+3^4*(1+3+3^2+3^3)+...+3^2009*(1+3+3^2+3^3)

A-1=40+80*40+...+3^2009*40

A-1=40*(1+80+..+3^2009)

I. There is a mistake in each line of the following passage. Find and correct it :

complete the second sentences so that it has a similar meaning to the first

1. I don't have time to collect stamps as when I was in primary school.

I used to collect stamps as when I was in primary school

2. Did you often go to the beach when you lived in Nha Trang?

Did you use to go to the beach when you lived in Nha Trang?

3. Mr.Nam often went to work by motorbike, but now he goes to work by bus.

Mr.Nam used to go to work by motorbike, but now he goes to work by bus

4. There were traffic jams in this street during rush hours, but now the street becomes wider.

There used to be traffic jams in this street during rush hours, but now the street becomes wider

It happened(23)___________ a Sunday morning just before the Chinese New Year. I(24) ________ to decorate our living room with paper lanterns and other colorful decorations. To put these decorations , I had to(25) _________ a ladder. However, I went to the storeroom (26) ________ brought out the old wooden one that we had. I climbed up to the top rung of the ladder, with a lantern in one ( 27) _________, a pair of scissors in the otherand a reel of thread between my teeth. Just as I was reaching out to tie the lantern to a nail high on the wall, the step of the ladder(28) __________ me gave way. Taken completely by surprise, I fell to the floor with a heavy thump. I felt a sharp pain on my back as well as on my ankle

23/ A. in B. on C. from D. for

24/ A. decided B. wanted C. needed D. must

25/ A. use B. get C. take D. need

26/ A. but B. and C. so D. though

27/ A. hand B.bag C. box D. can

28/ A. for B. with C. under D. to