(   )1. Black broke his leg. He has just had_______ X-ray examination. _______ doctor said he needed _______ operation.

A. a; The; an      B. a; A; an     C. an; A; an     D. an; The; an

(   )2. —What do cows eat? —They eat__________ grass.

A. most         B. mostly       C. almost      D. main

(   )3. I’m sorry, I_________ the book in my home.

A. forget        B. forgot        C. left        D. leave