Câu a,b không cần làm ,chỉ cần làm câu c,d

tìm x: a) để x^2-2x-4 là số chính phương b)để x^2-2x+7 là số chính phương

Rewrite
1. Dr. Byrd is having the students write a composition.
2. Did you get them to paint your house last month? > Did you...
3. When did you see her sing on TV?
4. Did they need him to decorate their house?
5. Are they going to have a doctor check their eyes.
6 Many people watched some eagles flying in the sky. =>
7. Did Jack notice his father leave home? =>
8. She saw two children steal the bike. =>
9. The boy hates his mother beating him.
10. He has made his sister complete the task early =>
11. They reported that troops were coming

Tìm số nguyên dương n để S=1.2.3.4.5.6.7 + n(n+1)(n+2)...(n+7) là tổng bình phương 2 sô nguyên dương

II. Choose the word that has a stress pattern different from that of the other words. 

1. A. children              B. decorate                              C. fortunate                D. technique

2. A. generally                        B. particularly            C. readily                    D. lately

3. A. thunderstorm                  B. temperature                        C. consolidate D. spacecraft

4. A. community                     B. architect                             C. simplify                  D. comfortable

5. A. concentrate                    B. emergency              C. impression  D. expect

Chuyển sang câu bị động
1.   “Please go to your friend’s house with me ,Huøng!” said Mai.

2.   Hông said  “Try your best, Nam!”.

3.   He said to her “Don’t go out alone at night !”.

4.   He asked me “ Do you visit my friend often?”

5.   She said to me “Do you like me?”

6.   “What made you sad, Hoa?” He said.

7.   Mr Pike said “Where do you often go, Mary?”

8.   She said “I shall go to visit Nha Trang”.

9.   Mary said to Tom “I saw your friend going with my friend”.

10.                   I said “I’ll go to visit her”.

11.                   Lan said to me “I have read your book ten days ago”.