题目

 He was annoyed for __________ outside while his wife was shopping with the key. A. being kept  B. keeping  C. kept  D. to be kept 答案：A估算下面各题． 38×12≈ 28×49≈ 51×32≈ 56×63≈ 22×19≈ 35×58≈ 31×49≈ 32×88≈