阿摩線上測驗
23. Individual exercise is easier to schedule, because a student can work whenever he or she is free,
________ an overall fitness goal is achieved.
(A) what
(B)which
(C)as long as
(D)as well as
答案：登入後查看
統計： A(59), B(146), C(506), D(212), E(0) #1458777
統計： A(59), B(146), C(506), D(212), E(0) #1458777
