See the flags on top of the building? That was ____ we did this morning. []A. when B. which C. where

题目简介

See the flags on top of the building? That was ____ we did this morning. []A. when B. which C. where

题目详情

See the flags on top of the building? That was ____ we did this morning.

[     ]

A. when
B. which
C. where
D. what
题型:单选题难度:偏易来源:同步题

答案

D

更多内容推荐