.--Look, there are ______number of ducks swimming in the river.--Yes. ______number of them is over ten.
I always go to the lake ____ the aftenoon, but Kate goes there ____ the night of Monday.
Jack _______ goes shopping, because he is ______ busy working.
Helen is my cousin. I often help ________ with ________ homework.
---We’re going to the Great Wall tomorrow. ---_______.
Dancing on the playground makes her ______ very great.