Answer:

test

Answer	Crossword Clue
TEST	Class struggle?
TEST	Performance check
TEST	What may make the grade

TEST	Try out
TEST	Lab work
TEST	[Is this thing on?]
TEST	Experiment
TEST	Class act?
TEST	Beta follower
TEST	Obstacle to overcome
TEST	Trial

TEST	Try
TEST	Challenge
TEST	Cause of class struggle?
TEST	See 37-Down
TEST	Certain cricket match
TEST	Beta ...
TEST	Word repeated while tapping a microphone
TEST	Word repeated during a mic check

TEST	Reason to pull an all-nighter
TEST	Trial balloon
TEST	Word with road or blood
TEST	See 19-Down
TEST	Trial run
TEST	Big quiz
TEST	A crucible is a hard one
TEST	Follower of alpha and beta

TEST	Road ...
TEST	Word repeated by a roadie into a microphone
TEST	International cricket match
TEST	Course obstacle?
TEST	It's got problems
TEST	Lab procedure
TEST	Sample
TEST	Lab job

TEST	Examination
TEST	Give a whirl
TEST	Dry run
TEST	Focus of a class action?
TEST	Eye ...