(   ) 2. —Dave,we will leave in  10 minutes.  Are you ready?

—No,I      our guide book and towels yet.

   A. don’t pack   B. didn’t pack

   C.  have packed   D. haven’t packed

2. D yet用于現(xiàn)在完成時的否定句或疑問句中。

題目來源：全品作業(yè)本八年級英語下冊外研版 > Unit 3 Language in use

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