Write the correct sentences, using the words or phrases given.
41. Hoa/ buy/ flowers/ her father's birthday/ the moment.
42. Nobody/ my class/ better/ Maths/ Minh.
43. Twelve o'clock/ night/ everyone/ say "Happy New Year"/ they/ their friends/ relatives/ good luck.
44. How often/ you/ go fishing/ your father?
45. New market/ inconvenient/ because/ it/ far/ our flat building.

Các bạn giúp mình nhanh với ạ! Mình thực sự đang cần gấp!!!!

Bài 3:

= x^2 - 3^2/ 2x + 6/ x - 3

= ( x + 3 ) ( x - 3 )/ 2x + 6/ x - 3 

= ( x + 3 ) ( x - 3 )/ 2( x + 3 )/ x - 3

= x + 3/ 2 ( x + 3 )

= 1/2

dấu "/" là phân số bạn nhé!

Lam: “_____________________” – Nga: That sounds great!

A. How about go to see a movie?

B. Why don’t we go to the zoo?

C. Let’s going to the movie theater.

D. Shall we going to the supermarket?

Các bạn giúp mình nhanh với nha! Cảm ơn các bạn!!!

XIV. WRITING Complete each sentence so it means the same as the sentence above.
1. It is very dangerous to walk alone after 10 pm in that park. You
2. It is wrong of us to write on the walls or tables in our classroom.
→ We
3. Remember to bring the compass: if not we will get lost in the forest.
→ You
4. This exercise is easier than that one.
→ That
5. The black car is cheaper than the red car.
The red car
6. This film is more interesting than that one.
That film
7. This river is longer than that one.
That river
8. It is wrong of us to throw rubbish.
We mustn't

Giúp mình nhanh với các bạn!!! Mình đang rất cần gấp!!!

Tính số lần phân chia liên tiếp của tế bào khi:

a, 1 tế bào sau phân bào tạo được 16 tế bào con.

b, 2 tế bào cùng số lần phân chia liên tiếp được tổng 64 tế bào con.

c, 3 tế bào cùng số lần phân chia liên tiếp được tổng tế bào con.

d, 2 tế bào phân chia liên tiếp số lần khác nhau được tổng 96 tế bào con.

Giúp mình nhanh với!!! mình đang cần gấp!!!!

II. "must/mustn't"; "some/any"; "should/ shouldn't" complete the sentences with must or mustn't.

You __________ wash your face in the morning.

You __________ take your umbrella because it's raining.

You __________ drink that milk, it's very hot.

You __________ do your homework.

I ____________ finish this essay today. it has to be handed in by tomorrow.

Giúp mình nhanh nha các bạn!!!

I/ Find the word which has different sound in the part underlined:
1. A. post
B. stop
C. clock
D. volleyball
2. A. mother
B. some
C. come
D. homework
3. A. goes
B. watches
C. dishes
D. classes
4. A. lunch
B. funny
C. sun
D. computer
5. A. pens
B. lamps
C. bags
D. drawers
6. A. heavy
B. ready
C. weather
D. peaceful
7. A. quiet
B. police
C. office
D. picture
8. A. cinema
B. cathedral
C. grocery
D. excellent
9. A. bakery
B. place
C. plaster
D. station
10. A. books
B. cats
C. caps
D. rivers

Giúp mình nhanh nha các bạn! Mình đang rất cần!!!