ai chọn nhanh giúp mình với 11.We _______________the first semester exams have already finished has already finished already has finished have already finish 12.The residents have been concerned about the new mall ____________ a few months for since in on 13.Pick out the word that has the main stressed syllables differently from the others transmit pioneer federation exhibition 14.I______________ how to dance when I was six years old don’t know am not know didn’t know wasn’t know 15.Where do they collect and ________ garbage ? At Dong Xuan Market emptying emptied to empty empty 16.Lan hates____________ the broken glasses and gardening. gathers gathered gathering to gather 17.You can go shopping __________ in the new mall in comfortable comport comfortable in comport 18.Alexander Graham Bell was an ___________ of the telephone in 1876 inventor invented invention inventors 19._______ your dad ______for his company for 20 years ? Does/ worked Has/ worked Did / work Have / worked 20.Red river ___________into the Atlantic Ocean flow flows flowing flew