阿摩線上測驗
20. The report needs ______ carefully before submission.
(A) check
(B) to be checked
(C) check with
(D) checks
答案：登入後查看
統計： A(25), B(197), C(17), D(3), E(0) #3650622
統計： A(25), B(197), C(17), D(3), E(0) #3650622
