问题描述：
He lived in London for three months,during ___time be he learned some English.A:this B:which ...
He lived in London for three months,during ___time be he learned some English.A:this B:which C:that D:same 选什么,
He lived in London for three months,during ___time be he learned some English.A:this B:which C:that D:same 选什么,
问题解答：
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