6. With the new scanning technology we can know what happening in our bodies with fewer side effects .
(A)With
(B) happening
(C)fewer
(D)effects
答案:登入後查看
統計: A(0), B(1), C(0), D(0), E(0) #2843462
統計: A(0), B(1), C(0), D(0), E(0) #2843462