－Itwas

問題詳情：

 －It was _______ great fun to be a volunteer, wasn’t it?

 －Yes. That’s _______ experience I will never forget.

    A. /; an                  B. a; an                 C./ ; the                 D. a; the

【回答】

A

知識點：冠詞

題型：選擇題