Câu 1 : Sục 8,96 lit CO2 (đktc) vào 400 ml dung dịch NaOH 1,25 M. Dung dịch thu được chứa các chất:
A.NaHCO3 B.Na2CO3 C.NaHCO3, Na2CO3 D.Na2CO3, NaOH

III. ERROR RECOGNITION (0.75 point / 0.25 each)
Choose the underlined word/ phrase (A, B, C or D) that needs correcting.
14. She asked me where I buy that car.
 A B C D
15. We were really impress by the beauty of Ha Long Bay.
 A B C D
16. Mrs. Lien which sings very well is my English teacher.
 A B C D

II. GRAMMAR AND STRUCTURE (2.5 points / 0.25 each)
Choose the best option (A, B, C, or D) to complete each of the following sentences.
4. My parents ______ our grandfather last week.
A. visit B. visited C. have visited D. visits
5. The _______ language in Malaysia is Bahasa Malaysia.
A. nation B. national C. international D. internationally
6. They haven’t seen this film, ________?
A. do they B. They have C. don’t they D. have they
7. If you study hard, you____ pass the exam.
A. would B. must C. will D. should
8. My father said I ______ learn hard.
A. have to B. must C. had to D. can
9. Viet Nam has a tropical _______.
A. temperature B. weather C. degree D. climate
10. It is an _______journey.
A. interesting B. interest C. interestingly D .interested
11. I’ve _______my glasses everywhere but I can’t find them anywhere.
A. looked after B. looked at C. looked for D. looked into
12. _______ the weather is predicted not to be good today, they decide to go swimming
A. because of B. although C. In spite of D. since
13. Lan is _______ that you are working hard.
A. pleased B. pleasant C. pleasure D. pleasing

A. PHẦN TRẮC NGHIỆM:
I. PRONUNCIATION (0.75 point / 0.25 each): Choose the word whose underlined part is
pronounced
differently from that of the others.
1. A. thank B. thick C. they D. thin
2. A stopped B. lived C. played D. remembered
3. A. easy B. seat C. learn D. eat

giải dùm em câu b bài 1 thôi được không ạ