Have you been to the Sunflower Garden _______ lies in Nansha? －Yes. The sunflowers there are very beautiful.

I find _______difficult to get to sleep because the man upstairs made much noise.

He sleeps with his eyes _______ and mouth ________.

Mum, my trousers are too old. I want to buy a new ______.

It was a long journey, but _____of them four felt boring.