問題詳情

(21-23) Dear Jean,How have you been? I’m writing this to say I’m sorry that   21    yourbirthday. These days I felt there was something wrong, but I just couldn’tthink of what it was. Yesterday afternoon on the bus, I   22   rememberedwhat it was. Your birthday is this month, and it was two weeks ago! I feel sobad. I picked out a gift for you. I hope you like it.By the way,   23    a great time on your birthday? I can’t wait to hearabout it.
Love,
Linda
【題組】21.
(A) I forget
(B) I forgot
(C) I’m forgetting
(D) I’ve forgotten

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