一、选词填空
1.grateful/gratitude 
She was         to him for being so good to her. 
He expressed his         to me for my help. 
2.charm/charming
Cathy is a woman of great      . 
The hotel is small,but it’s       . 
3.agriculture/agricultural
More than 75% of the land is used for         . 
Rivers are important for an        country. 
4.decorate/decoration
The curtains do not match with the        . 
They         their house in a fancy way. 
5.commerce/commercial
They have made their fortunes from industry and        . 
His invention was a         success.