阿摩線上測驗
28.The greatest danger _____ in the waves at the beach this summer isn't a
shark—it’s a rip current.
(A) lurk
(B) lurks
(C) lurking
(D) lurked
答案：登入後查看
統計： A(3), B(7), C(23), D(10), E(0) #3276195
統計： A(3), B(7), C(23), D(10), E(0) #3276195
