mary gave the textbook to all the pupils except______who had already taken themA)the ones b)onesC)some D)the others请说明选择的原因,为什么不能选其他答案2)why_______?it's necessary.A)you not do itB)you do itC)to do itD)not do it请说明选择的原因,为什么不能选其他答案

mary gave the textbook to all the pupils except______who had already taken them
A)the ones
b)ones
C)some
D)the others
请说明选择的原因,为什么不能选其他答案
2)why_______?it's necessary.
A)you not do it
B)you do it
C)to do it
D)not do it
请说明选择的原因,为什么不能选其他答案