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

题目简介

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

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:高考真题

答案

D

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