Mr Brown will five days to have a good rest.

一It looks 1ike a kind of cat．What do you think?一Yes, I ________ ．

The ancient penguin was modern ones and it was good at swimming but couldn’t fly.

It was on June 10,2013＿＿＿Shenzhou-10 spacecraft was sent up into space.

According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.