问一个GMAT句子改错The lack of complete historical records from the mid-to-late 1800's has made it difficult in tracing some Black inventions to their originators.正确答案是把in tracing改成to trace给出的原因解释是 作为形式

问一个GMAT句子改错The lack of complete historical records from the mid-to-late 1800's has made it difficult in tracing some Black inventions to their originators.正确答案是把in tracing改成to trace给出的原因解释是 作为形式 一道Gmat句子改错题,The lack of complete historical records from the mid-to-late 1800’s have made some Black inventions difficult to trace to their originators.(A) have made some Black inventions difficult to trace to their originators(B) hav 一道GMAT句子改错题 求指导The lack of complete historical records from the mid-to-late 1800’s have made some Black inventions difficult to trace to their originators.(A) have made some Black inventions difficult to trace to their originato GMAT句子改错是逻辑错误还是语法错误 Despite their lack money and equipment,they managed to finish the task in time.改错 lack the confidence/common 英语翻译The lack of covers on the bowls was the secret.句子的意思~ 改错 一个英语句子 急I’m looking the photo of me 翻一个句子 But it is not physical energy that most of us lack. for lack of better words.It always seemed like all the good women would find the men that treated them like crap,for lack of better words.这个句子如何翻译,尤其是最后半句,for lack of better words? GMAT prep cr请大牛指教Downtown Villieu was once a flourishing business district,but most Villieu-area businesses are now located only in the suburbs.The office buildings downtown lack the modern amenities most business operators demand today.To 一道GMAT句子改错题The direction in which the Earth and the other solid planets - Mercury,Venus,and Mars - spins were determined from collisions with giant celestial bodies in the early history of the Solar System.a.spins were determined from b 一道Gmat句子改错题 丙型结构　29.The lawyer for the defense charged that she suspected the police of having illegally taped her confidential conversation with her client and then used the information obtained to find evidence supporting th Gmat句子改错题,Unlike the original National Museum of Science and Technology in Italy,where the models are encased in glass or operated only by staff members,the Virtual Leonardo Project,an online version of the museum,encourages visitors to “ 句子改错. 句子改错 句子改错, 句子 改错