Itwaswhenwewerereturninghome　　　Irealizedwhatagoodfeeli...

問題詳情：

 It was when we were returning home 　　　I realized what a good feeling it was to have helped someone in trouble.

A. which　　     B. that　　       C. where　　　          D. how

【回答】

B

知識點：連詞

題型：選擇題