At the foot of Mount Huang , you can hear the _________ of running water.
If people ________ cutting down the forest, they will have nowhere _______.
You should tell ________ possible to support your ideas.
I like the teacher__________classes are very interesting and creative.
________ Tom ________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.
----Dad, do you like my picture? ----_______________! It’s the nicest one I’ve ever seen!