Sandy and I on the playground.
There ______ a number of books on the bookshelf. And the number of the books ____ 50.
He his baby every day because his wife is very busy.
---_______ do you write to your e-friends? --- Almost twice a month.
It is really crazy ________ Peter to let his ________ son swim alone in the river.
My father has a habit of jogging ___________ the river in front of my house for an hour in the morning.