4. Teleconferencing allows people at distant locations to ______ across geographical boundaries and time constraints.
(A) confer
(B) confess
(C) conjure
(D) conceal
答案:登入後查看
統計: A(0), B(0), C(1), D(0), E(0) #3471066
統計: A(0), B(0), C(1), D(0), E(0) #3471066