题目内容
See the flags on the top of the building? That was _______ we did this morning.
| A.when | B.which | C.where | D.What |
D
解析
练习册系列答案
相关题目
题目内容
See the flags on the top of the building? That was _______ we did this morning.
| A.when | B.which | C.where | D.What |
D
解析