He doesn’t tell me when he_______ . I’ll telephone you as soon as he______.

Do you like swimming in winter?—Of course. The water a bit cold at first，but then I am warm and full of energy.

What’s the noise ? It sounds as if it comes from upstairs. –______. It must be the window-cleaner working , next door.

Let’s go fishing if it this weekend. — But nobody knows if it .

Each of the singers _______ a ________ swimming pool.