阿摩線上測驗
22. They crunch your calories, calculate your distance and tabulate your heart rate, but _____ those exercise machines on the floor
of every gym?
(A) how accurately are
(B) how accurately
(C) how accurate are
(D) how accurate
答案：登入後查看
統計： A(23), B(11), C(182), D(4), E(0) #572085
統計： A(23), B(11), C(182), D(4), E(0) #572085