(   ) 4.——What are you looking for,Michael?

      —My cousin's MP3 player. It       right here just now and now it's

   ！

A. has been;gone

B. was;gone

C. was;going

D. is;going

4. B just now與一般過去時(shí)連用；has gone意為"不見了"。

題目來源：仁愛英語同步練習(xí)冊九年級上冊下冊合訂本 > Topic1 Pollution has caused too many problrms.

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