(  )1.Hurry up! They are waiting for______.

A. we    B. us      C. our      D. ours

(  )2.Peter usually gets up_____6:30 in the morning.

   ¡¡ A. on    B. in     C. at        D. of

(  )3.There ______ a lot of meat on the plate. Would you like some?

   ¡¡ A.is     B.are      C.has      D.have