won't come

6. goes
7. rains

Bỏ +0 đi cũng dc nha :)

\(C=-a+\left(b-d\right)-\left(c+a\right)-\left(b-a\right)\)
\(C=-a+b-d-c-a-b+a\)
\(C=\left(-a+a-a\right)+\left(b-b\right)-c-d\)
\(C=-a+0-c-d\)
Thay \(a=\dfrac{3}{4};c=\dfrac{7}{5};d=\dfrac{-9}{10}\) vào biểu thức C, ta có:

\(C=-\dfrac{3}{4}-\dfrac{7}{5}-\dfrac{-9}{10}\)

\(C=-\dfrac{5}{4}\)

Exercise 1: Put the verbs in the correct tenses      ( chia động từ cho hợp thì)

1.     How long has their son (live)lived in the USA? -  He (live) has lived in the USA for four years

2.     It’s the first time they ( eat) have eaten this kind of food

3.     The child sometimes ( go) goes jogging

4.     How often does her daughter ( take) take part in the English- speaking club ?

5.     The man (be)was tired last week. He ( feel) feels more comfortable now

6.     The Earth ( circle) circles around the Sun

7.     Does Water ( boil) boil at 100 degree C ?

8.     Look ! The women ( run) is running after the coach.

9.     Be quiet ! My baby ( sleep)is sleeping

10. They have just ( finish)finished their homework                             

11. He ( prapare)is preparing for the party at the moment

12. What subject does the boy ( like) like ? He ( like) likes geograpy and chemistry

13. He ( not/ meet) hasn't met her since last year

14. Where did you ( meet) meet him yesterday ?

15. Her doctor ( not/ come) hasn't come to the office yet

16. Up to now, We ( study) have studied five lessons

17. How many pets have your father ( raise) raised so far?

Exercise 2 : Comparison ( so sánh)

1.     She is (tall) taller than me

2.     The old bike is not ( expensive) as expensive as the new one

3.     They are ( famous) more famous than us

4.     Lan is ( thin ) thinner than her friends  in the class

5.     Who is ( stupid)more stupid ? Mai or Nga ?

6.     My Tam is ( intelligent) as intelligent as  her friends

7.     I have ( much) more free time than you

8.     This painting is ( precious) more precious than that one

9.     Which animal  is ( generous) more generous ? Dolphin or elephant ?

10. I am ( fat) fatter than all of the members  in the family

35. B
36. A
37. A
38. D
39. C
40. B
41. A
42. D
43. A
44. C
45. B

effective, nice, close, simple, large, cute, impossible, possible,...

Khang :)? 
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?ủa có hả :)