(   ) 1. This is _______ empty bottle. But it is  _______useful one.

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

(   ) 2. —Look! That man looks like Mr Green.

—It can’t be him. He _________ to America.

     A. went                      B. will go               C. has gone           D. is going

(   ) 3. It’s raining hard. We have to stay at home __________ going fishing.

 A. in front of               B. because of         C. in need of         D. instead ofm]