Tham khảo tài liệu 'anh văn toefl structure-020', ngoại ngữ, toefl - ielts - toeic phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Anh văn TOEFL Structure-020 1 Snow aids farmers by keeping heat in the lower ground levels thereby from freezing. u a to save the seeds u b saving the seeds u c which saves the seeds u d the seeds saved 2 mineral content in the bones of very young children is low compared to that of adults. u a If the u b That is c The u d It is the 3 the silvery-checked hornbill chooses a hollow tree for a nest and seals herself in until her chicks are grown. u a Protection for predators against u b Against protection predators for u c For protection against predators u d Predators against protection for 4 A floodplain is an extension of a river channel not inundated except during a flood. u a where is it u b but it .
