⑴ {#blank#}1{#/blank#}

⑵ {#blank#}2{#/blank#}

⑶ {#blank#}3{#/blank#}

⑷ {#blank#}4{#/blank#}

A．seven pencils   B．nine apples   C．two cars   D．four eggs

— I have three pencil boxes.

⑴farmer{#blank#}1{#/blank#}          A.           a.

⑵cook{#blank#}2{#/blank#}           B.           b.

⑶teacher{#blank#}3{#/blank#}        C.            c.

⑷worker{#blank#}4{#/blank#}         D.           d.

⑸doctor{#blank#}5{#/blank#}         E.            e.

—Yes, it is.