1. —Do you know _______________, Alfred?

—At 2:00 tomorrow afternoon.

A. when the end-of-term concert began B. when did the end-of-term concert begin C. when the end-of-term concert will begin D. when will the end-of-term concert begin
【考点】
时态统一; 宾语从句的陈述语序; 一般将来时;
【答案】

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