1. pasty
2. fibrous
3. perio
4. meat
5. now
6. leaves
7. tightly
8. temperature
9. into
10. takes

1. am going to make
2. are you going to buy
3. will ask
4. will get
5. am going to spend
6. will probably stay
7. will do
8. is going to climb
9. will become
10. will cut

+78% khí nitơ

+21% khí ôxi

+1% hơi nước và các khí khác

Gọi số bi của Hùng là a
Số bi của An là \(\frac{6}{5}a\)
Số bi của Dũng là \(\frac{4}{3}a\)
Vì số bi của Dũng nhiều hơn số bi của An là 4 viên.
Nên \(\frac{4}{3}a=\frac{6}{5}a+4\).
=> a=30

a. 19991999.1998 - 19981998.1999
=1999.10001.1998 - 1998.10001.1999
=0
b.(1374.57+687.86):(26.13+74.14)
=(687.2.57+687.86):(338+1036)
=\([687.\left(2.57+86\right)]:1374\)
=678.200:1374
=137400:1374
=100

7x+4x=990
x.(7+4)=990
x.11=990
x=990:11
x=90

33+18+22+47
=(33+47)+(18+22)
=80+40
=120

2.x+12=36
2.x=36-12
2.x=24.
x=24:2
x=12

Nửa chu vi vườn rau là:
31,6 : 2 = 15,8(m)
Chiều dài vườn rau là:
(15,8 + 6,6) : 2 = 11,2 (m)
Chiều rộng vườn rau là:
15,8 - 11,2 = 4,6 (m)
Diện tích trồng rau là:.
11,2 . 4,6 = 51,52 (\(m^2\))
Đáp số : 51,52 \(m^2\)

1. What _______did______ you do last Sunday?

2. I stayed at home and looked ________after______ my younger brother yesterday.

3. He lives in a small village in the mountains so he never _______be_______worried about traffic jams.

4. You should remember to walk ________on________the streets at the zebracrossings.

5. Does your bike ever ______go_______ down on the way to school?

6. We must always obey traffic ______rules______ for our safety.

7. How far is _______it_______ from your house to the bus stop?

8. There did not use to be many ________traffic________ on the roads in my hometown.

9. He used to ________ride________ a tricycle when he was three years old.

10. Now there are more traffic ________jams________ than there used to be in this city