B: I can see your cows.

A. It's ten.

B. It's nine.

C. It's nine o'clock.

D. It's nineteen.

①What's this?{#blank#}1{#/blank#}                             A. It's in the classroom.

②Do you like doors?{#blank#}2{#/blank#}                  B. It's a big door.

③What colour is the door?{#blank#}3{#/blank#}        C. Yes，I like doors.

④Where is the door?{#blank#}4{#/blank#}                 D. There are three doors.

⑤How many doors?{#blank#}5{#/blank#}                  E. It's red and yellow.

—________