词语正确形式填空,并告诉我为什么.

There（ is ）【be】 one box of books on the desk.
Listen!Someone（coming ）【come】.
、It‘s Sunday afternoon.Su Yang usually（goes ）【go】to the park,but today he（ doing ）【do】 housework now.
Where is your mother?She（iscooking ）【cook】 in the kitchen.
How many（policemen ）【poilceman】 to their teacher carefully.
Zang Peng likes（ fiy ）【fly】 kites.
The students are （listening ）【listen】 to their teacher carefully.
My mother is cooking some nice food now.（She）is a good cook.
The boys are playing in the bedroo.（ They ）are very happy.
It’s nine o‘clock.My father（ works）【work】 in the office.
（Are）【be】 there any orange juice in the glass?
Have some（ strawberrys）【strawberry】,please.