Did you ______________ clothes yesterday? [ ]
A. wash
B. washes
C. washed
D. washing
答案:A
会计成本与机会成本之和称为______。
冠心病的全面康复有()
A.有氧训练
B.循环抗阻训练
C.医疗体操
D.作业训练
E.心理治疗