He felt _______ to remind the public to protect the environment.
China is known __ ____ greatly in terms of its cultural values over the past few years.
—I did very well in the English exam last week. —I did ______. I got a full mark.
I need to call my friend David ______ coat I walked off by mistake yesterday.
My suggestion is that Tom ______ there on time.
We’ve had a good start, but next, more work needs _____to achieve the final success.