Never before______ such a wonderful park, ______ I'd like to pay a visit again.
Kathy______ a lot of Spanish by playing with the native boys and girls.
. People in Jiangsu Province are proud of they have achieved in the past ten years.
. After he graduated from college, he _______ his father’s business.
If we work with a strong will, we can overcome any difficulty, _______great it is.
You can not imagine the difficulty they had ____ the problem. It isn’t ____ easy.