—I am afraid this pair of shoes is a little expensive.—If you really want to buy them, I will give you a ____ of 10 percent.
Listen! His family must be quarrelling, ____?
The little girl couldn’t work the problem out. She wasn’t ____ clever.
The engineers made two big plans for the dam, ____ was never put in force.
——What do you think of the concert? ——I really enjoy it. I didn’t expect it was ____ wonderful.
To our excitement,two ______ of students ______ a success after three years' hard work.