It’s fascinating to see _____ different people approach the problem.
With trees and grass_____ about 35% of the urban area,the city of Hefei has taken on a new look.
Process so far has been very good.______,we are sure that the project will be completed on time.
— When do we need to pay the balance?— ____ September 30.
______ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
I greeted the teacher with “ hello”, and the teacher gave me a sweet smile ______.