Hoàn thành các phương trình phản ứng sau:

 a. BaO  +    ?        -->    Ba(OH)₂

b.CuO   +    ?        --> CuCl₂   +     ?

c.CO₂   +    ?        --> Na₂CO₃   +  ?

d.P₂O₅   +   KOH    --> ?   +   ?

e.?   +   H₂O   -->         H₂SO₄

f. H₂O  +  ?    -->      H₃PO₄

g. ?   +    HCl    -->       CuCl₂    +   H₂O

h. ?     +   H₂SO₄    -->        CuSO₄   +  ?

i. CuO  +      ?     -->       Cu    +   H₂O

15. She failed the driving test because she didn’t follow the guidance of the driving …………….…..( instruct )

16. In Malaysia ………………………….is free and compulsory for children  between age of 6 and 16. ( educate )

17.  Is Christmas a ……………………………… holiday . ( nation )

18.  Coffee is one of the most ……………………………agricultural products exported from Viet Nam. ( importance )

19. We’ve impressed by the ………………………..of your town’s people. ( friend)

20. They enjoy the …………………………………….atmosphere in the meeting. ( friend)

21. The ………….………………they made at school will last through their life.. ( friend)

22. ………………….parks and lakes in Hanoi attract tourists. ( Beauty)

23. The little girl is dancing ………………………………… ( beauty)

24. English is the ………………………..language in Singapore. ( office)

25. Malaysia has ……………………………………………climate. (tropic)

26. Most……………………………are written in English. (instruct)

27. They go to church every Sunday. They’re………………………………. (religion)

28. Our…………………………..flag is red and yellow. ( nation)

III. Supply with the correct word form.

1. All of the members in my class are warm and ……………………….( friend )

2. The school ……………….to give an award of scholarship to Binh three days ago. (decision )

3. His sense of humor and …………………………….. makes me happy. ( devote )

4. I’m …………………………………. sorry for the delay. ( extreme )

5. Hang looks as………………………as her sister ( beauty )

6. We love the …………………………..atmosphere of summer evenings in the countryside ( peace )

7. Ba and Liz enjoy to go ……………………….and camping ( fish )

8. They enjoy the party and sing ………………………… ( happy )

9. I would recommend that you should read ……………… books and magazine .(education )

 10. The tourists were really …………………..by the beauty of the city. ( impression ).

11. He makes a good ……………………………………...on your parents ( impress )

12. Everyone likes Tom because he is very ……………………………..( friend)

13. Read the ……………………….carefully before you take the medicine . ( instruct )

14. Lam Truong is a good singer. He sings………………………….( beautiful )

II. Put the verbs in brackets into the correct tense.

1. I (not/ drink) …………………………….tea. I drink milk.

2. She ( not /talk )……………………………….to me. She talked to him.

3. They ( like )……….my character. They ( like )................talking with me all the time.

4. Nien’s hometown  ( be )………in Hue but she ( study )…………in Hai Phong.

5. Last night, Hoa and Ba ( go )……………to the movie. I ( play )………the piano.

6. Don’t (pick )………….flowers up. We must ( save )……………….. our environment.

7. Where ………………..you ( spend )……….your summer holiday last year, Trang ?

8. She usually ( run ) ……………..around the park and I ( play )…………..football at the stadium.

9. I ( love)………………..these stories. Lan ( not/love )………………………..them.

10. Her family (like )…………………….to eat meat and vegetable for lunch.