1.Many poets and artists have drawn their inspiration (inspire) from nature.
2.I think he felt discouraged (discourage) because of all the criticism he'd received.
3.(上海卷)Please remind me of the meeting again tomorrow in case I forget.
4.The scientists are trying their best to come up with a solution to the problem.
5.The test results were very depressing.Obviously, he was depressed.(depress)
6.The missing boy was last seen playing (play) near the river.