Supply the correct word forms ( 1.5pts )
1. I saw my sister's _______________ face at the window . ( anxiety )
2. She remembered Ann's ______________ not to be late . ( instruct )
3. A _______________ from the tour company will meet you at 8.00. ( represent )
4. My secretary will phone you to ___________ a meeting . ( arrangement )
5. Bowls , vases , jars and glasses are sold in the_________ store at the corner . ( glass )
6. There are more and more people concerned about _________ pollution . ( environment )