A History of Short Words

From the New York Times Crossword Puzzle

TEST

Tue, 7 Jun '22
Litmus ___
Mon, 7 Mar '22
Event that may be proctored
Mon, 20 Dec '21
Exam
Sun, 14 Nov '21
A negative one might be positive
Mon, 1 Nov '21
Exam
Tue, 14 Sep '21
Class struggle?
Sun, 15 Aug '21
Performance check
Thu, 12 Aug '21
Drill, for instance
Sun, 18 Jul '21
What may make the grade
Mon, 10 May '21
Try out
Mon, 12 Apr '21
Rorschach, for one
Sun, 7 Feb '21
Lab work