user-avatar
phuonghien.nph
2 năm trước
Câu 7: Dãy nào gồm các chất cháy được trong oxi? A. NH4Cl, NaCl, Mg, NaH2PO4. C. S, Zn, P, C2H4, C2H6O. B. Cl2, Na, Fe, CH4, CO. D. KHSO4, NaCl, NH4Cl. Mng giúp em vs ạ
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

TENSES 11.She ……… breakfast at 8.30 yesterday morning A. had B.is having C. was having D. has 12. Chi …….. his brother already A. phoned B. had phoned C. have phoned D. has phoned 13.When I got up, it …….. A. rains B. rained C. is raining D. was raining 14. Her father …… me before. A. Sees B. saw C. will see D. has seen 15. Mrs Thu …….. the newspaper while her husband was watching T.V. A. was reading B. is reading C. reads D.read 16. Lan’s teacher ……. that song into Vietnamese recently. A. Translates B. translated C. has translated D. have translated 17.Mr Quang fell over while he ……. basketball. A. was playing B. is playing C. played D. plays 18. I suggest that we ……… by motorbike instead of by bus A. can go B. will go C. should go D.must go 19.When I came home, everybody …….. the television A. watched B. were watching C. was watching D.is watching 20.How long ……Trung’s sister …….. English ?- For six years A. did/ learn B.has/ learned C.has/ been learnt D.does/ learn

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team