mb giúp em và giải thích giúp e nx ạ e camon
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Ex 5:
1. like (Không nơi nào giống nhà)
2. at (chọn ngẫu nhiên)
3. for (bọn bắt cóc giữ con tin để đòi tiền chuộc)
4. under (đang được sửa chữa)
5. in return (đổi lại)
6. in the long run (về lâu về dài)
7. for./to (cần thiếu đối với)
8. without (It goes without saying that: Chẳng cần phải nói là...)
9. of (Regardless of: Bất chấp)
10. to (cruel to: độc ác với ai)
em nhé!
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Ex6
1 was
2 had been
3 found
4 had talked
5 had spoken
6 snowed
7 were
8 painted
9 had
10 had known
Ex7
2 had got
3 had hurt
4 were
5 were
6 was
7 wanted
8 ?
9 stopped
10 had eaten
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\(\Delta'=4-\left(m-1\right)=5-m\)
để pt có nghiệm kép khi \(5-m=0\Leftrightarrow m=5\)
chọn B
Phương trình có nghiệm kép khi:
\(\Delta'=4-\left(m-1\right)=0\Leftrightarrow5-m=0\)
\(\Rightarrow m=5\)
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9. is/ tells
10. are
11. has
12. isn't
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B3
1. is
2. teaches
3. learn
4. comes
5. has
6. goes
7. meets
8. drinks
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B4
1. plays
2. drink
3. starts
4. live
5. do
6. speak
7. watches
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B5
1. does -> do
2. Do -> Does
3. watch -> watches
4. goes -> go
5. carries -> carry
6. don't -> doesn't
7. plays -> play
8. are -> is
bài nào vs ak