với nhứng giá trị nào của a thì tan a, cos a có cùng dấu, khác dấu

Quá trình thành lập pháp luật, quân đội thời Lý

II. Choose the correct answer A,B,C or D 1....................... do you visit your hometown? Once every two or three months A. How long B.How far C.how often d. How much 2. the new instructor at the gym in excellent.He is very.............with us. a. confident b.patient c. positive d. careful 3. my sister............. speak 3 languages fluently a.can b. should c. must d. would 4. I don't feel good. I ............. home from school tomorrow a.am staying b. stay c. stayed d. have stayed 5. ..................... the frist turning in the left. The bank is on your right. a. Give b. Take c. Have d. Do 6. My laptop is ............... than his a. modern b. moderner c. more modern d. most modern 7. we often.................... the furniture before Tet a. hang b. watch c. plant d. clean 8. You've got a toothache. You shouldn't................... a. go out with friends b. play cards all night c. eat a lot of sweets d. behave well 9.My mother is............... in my family a. the shorter b. the shorter than c.the shortest d.the short 10. before Tet, people often give...... to show their love and respect a. fireworks b. plants c. food d. presents

Làm hộ mik bài này tên bài là : choose the word whose main stressed syllable is placed differently from that of the other in each group

Talk about teen strees and pressure and how to cope with them ( 6 sentences )

đây là câu hỏi trắc nhiệm ạ giúp mk với hiccc

Mọi người ơi mọi người giúp em với ạ chiều em phải nộp rồi !

tính KL mol của: tỉ khối của khí F đối với ch4 là 2.7

ImU. At her birthday party last her aised Choose the snderlined word or phrase (A, B, C, or D) that needs correcting. Che happiest day of her life. b. that day is a yesterday was 21. Im tired although I stayed up too late to watch TV last night. d. today is A 22. The dentist said to brush three times a day and don't eat candy. net ision A 23. I know you are too busy to'stay, but I look forward to see you again. C D 24. You can download a lot of informations from the Internet onto your own A D. .C computer. 25. What do you use to do when you felt afraid? C A Use the correct form of the word given to complete each sentence. at the time. (invent) 26. Fax machine were a wonderful have done a lot to modernize the traditional 27. Fashion Ao Dai. (design) of television is interactive 28. The next stage in the on 29. Maryam's trip to Viet Nam made a strong her. (impress) 30. You'd better put an house. (advertise) e it TV. (develop) in the local paper to sell your it d) that best completes the passage. in the United

đặt 4 câu và gạch chân chỉ từ em sử dụng trong câu văn đó