The students made Simon monitor of their class_____the second time A;in B;on C;for D;at 选哪个?
问题描述:
The students made Simon monitor of their class_____the second time A;in B;on C;for D;at 选哪个?
答
A
答
C
for the ...(序数词) time是固定短语,意为“第几次”