摘要：19．See the flags on the top of the building? That was we did this morning. A．when B．which C．where D．what
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See the flags on the top of the building? That was _______ we did this morning.
A．when B．which C．where D．What
查看习题详情和答案>>See the flags on the top of the building? That was _______ we did this morning.
A．when B．which C．where D．What
查看习题详情和答案>>
See the flags on the top of the building? That was _______ we did this morning.
| A．when | B．which | C．where | D．What |