China began to open to the outside world in the late 1970s. _________, there have been great changes in the country.
— Can you see ____ sheep eating grass on the hill? — Sure I can.
— We have known something about the accident, but we need more ____. Can you help us? — Yes, sir.
Our neighbours are so kind that they often give us a ____ when we are in trouble.
The Sydney Opera House is like a huge sailing boat with water ____ three sides.
Beijing Opera is very and I am in it.