1 at => in

2 is having => has

3 am often playing => often play

4 listens => listen

5 do => does

/z/: rooms, beds, televisions, fridges, windows, tablecloths, tables, cookers, photos, dogs, pictures, villas, chairs, vases, walls

/s/: attics, apartments, chopsticks, parents, toilets

cột 3 còn lại 

1. You can _____________ some diseases by keeping yourself clean.

A. do                           B. have                                    C. get                           D. avoid

2. Sunscreen, _____________, hats and gloves can protect sensitive skin from sunburn.

A. chapped lips            B. red spots                  C. lip balm                   D. dry hair

3. I'm always on a diet because I _____________ on weight easily.

A. put                          B. affect                      C. keep                                    D. cause

4. You should throw your _____________ clothes in the washing machine.

A. new                         B. old                           C. tidy                          D. dirty

5. She is going to see the doctor because she has _____________.

A. a vitamin                 B. an exercise              C. a headache              D. a diet

6. Scarlet dislikes _____________ such as chips, sweets and fizzy drinks.

A. vegetables               B. junk food                C. seafood                   D. fruits

7. There are about fifty _____________ in an apple.

A. materials                 B. calories                    C. energies                   D. vegetables

8. The key for them to _____________ fit is jogging three kilometres every morning.

A. put                          B. avoid                       C. affect                      D. keep

9. My cousin is getting sick. He feels weak and _____________.

A. tired                                    B. heavy                      C. good                        D. strong

10. Soft drinks can be _____________ to children's teeth.

A. fit                            B. active                      C. harmful                   D. fresh

1 brush => brushes

2 don't => doesn't

3 does => do

4 go always => always go

5 play => plays

:)) có phải đâu

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