3. 我丢了一串钥匙。

I lost         .

2. 请给艾伦打电话，号码是256-7789. 

          Alan         256-7789.

1. 给我发电子邮件，邮箱是maryg@gfimail.com. 

               maryg@gfimail. com.

3. The watch      the lost and found case is hers.

2. There is a set        keys on the desk.

1. Please call him        that number.

(   ) 5.        him at 235-0288.

   A. Ring   B. Call   C. Phone   

    D.A. B &. C

(   ) 4. The boy has a set of      .

   A. key   B. keys   C. keies   D. a key

(   ) 3. Is that your MP3 player      the lost and found case (箱子) ?

   A. in   B. at   C. on   D. of

(   ) 2. Please        Mary.

   A. call   B. to call   C. calling   D. called