..Modern China is experiencing a completely new period ______ respect for science and creativity has become the guiding principle of the society.
Thanks to the old man’s hard work, a lot of _____ has been covered with green trees.
It’s a teacher’s _____ to make children learn.
One of the advantages of living on the top floor of a high rise is that you can get a good ____.
I wrote him a letter to show my _____ of his thoughtfulness.
We look forward to the day when the motorcar has been replaced by some less dangerous ____ of transport.