On the morning of the Chinese New Year, children open the packets and_______ how much money is in them.

If you don’t like the red T-shirt, take the blue one.—OK, but do you have _________ size in blue This one is a bit small for me.

It’s ten years since the scientist _______on his life’s work of discovering the valuable chemical.

The new supermarket___________from 8.00 to 22.00.

The idea ________ good. We can try it.