Paul learns English ________. He often goes to the English Corner at weekends.

Mike, please be quiet, or the other students hear me clearly.

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

When you at a restaurant, please order just enough food.

Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.