—Where did you see your friend?
—It was in the super market ____ I was doing shopping.

The children, ______ had played the whole day long, were worn out.

Before you resign you should consider the effect _______ will have on your family.

This is the girl ______ father was just spoken by us.

The science Festival is an occasion _____ model planes and model rockets are flown over the school grounds.

Nowadays almost everyone prefers to use a smart mobile phone       functions are more practical.

I will never forget my stay there          I found my lost wallet.

The villagers dug many tunnels _____ they could fight against the enemies.

The president of the World Bank says he has a passion for China          , he remembers starting as early as his childhood.

“Youth”is regarded as a time in their life       fun, passion, and imagination seem limitless.