cho tam giác abc điểm D thuộc cạnh bc,D ko trùng với BvàC lấy điểm M là trung điểm của AC trên tia đối của tia MB lấy điểm E sao cho ME=MB trên tia đối của tia MC của tia MF sao cho MF=MC.a,chứng minh AE//BC.b,A lằm giữa FvàE giải dùm mình với

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EXERCISESON “BOTH ... AND, EITHER ...OR, NOT ONLY ... BUT ALSO, NEITHER ... NOR” 1.Tom doesn't lie to his friends. Paul doesn't either. (neither...nor) 2.He's betrayed your trust. He's betrayed your love for him. (not only...but also) 3.He felt disappointed. He felt misunderstood. (both...and) 4.She will have to study hard. She will have to concentrate to do well on the exam.(not only...but also 5.We could fly. We could go by train.(both...and) 6.The speaker will not confirm the story. The speaker will not deny the story.(neither...nor) 7.Pneumonia is a dangerous disease. Small pox is a dangerous illness.(not only... but also) 8.The teacher gave Nam a good book. Nam’s parents gave him a good book. (both ... and) 9.Fred loves traveling. Jane wants to go around the world.(either... or) 10.It might rain tomorrow. It might snow tomorrow.(both... and) 11.Smoking isn't good for your heart. Drinking isn't good for your health.(neither...nor) 12.Young people normally like only music but also sports. (both ... and) 13.Thechickens haven’t been fed.The pigs haven’t been fed,either (neither... nor) 14.Dan came from Thailand and Chow came from Thailand. (both ... and) 15.She carried me in her arms and she lulled me to sleep. (not only... but also) 16.Mary went to London and Kate did, too. (both ... and) 17.You were mad. You weredrunk. (either... or) 18.My mother likes tea. And my father does, too. (both ... and) 19.Richard and John didn't keep her secret. (neither...nor) 20.The underground is quick . It is alsocheap. (not only ... but also) 21.You can find this bookin the library or in a second-hand book shop (either... or) 22.The boy is intelligent . He is hardworking, too. (both...and) 23.He didn’t want coffee. He didn’t want tea, either. (neither...nor) 24.Mary has both toothache and headache. (not only ... but also) 25.Helen likes cats. Mary likes cats. (both ... and)