1 lip balm

2 affects

3 dim light

4 coloured vegetables

5 red spots

6 sunburn

7 ocne

8 soft drinks

9 chapped líp

10 skin condition

1 originate

2 visited

3 handcrafting

4 101-year-old

5 like

6 at

7 with

8 unexpectedly

9 handicrafted

10 so that

1 C

2 A

3 D

4 D

5 D

Các chất bị nhiệt phân hủy là : 

\(Mg\left(OH\right)_2\underrightarrow{t^o}MgO+H_2O\)

\(Cu\left(OH\right)_2\underrightarrow{t^o}CuO+H_2O\)

1 the forest

2 behind some trees

3 afraid

4 didn't come

5 Ben

6 noisy and dangerous

7 best friend

8 big rocks

9 eating lots of sausages

1 international

2 interesting

3 words

4 advice

5 sharpener

1 A

2 B

1 B

2 A

1 didn't go

2 have just decided

3 came

4 has been

5 ate

6 hasn't had

7 have you known

8 drank

9 has come

10 Did she have

11 have worked

12 was

13 Has she eaten