[ Mixed General Quiz ]
Welders wear a mask and protect their eyes by not looking at the ___ of light.
a. arc
b. arch

Random Topics:
Miscellaneous Grammar UsagesWorld Literature VocabularyContinuous TensesWord Form & Verb TenseConditional 0Simple Past/Past ProgressivePresent Forms and Narrative TensesGrammar and SyntaxGrammar: Defining Relative ClausesPerfect ModalsOther quiz:
Vocabulary › ViewTo make something such as an idea, plan, system, or law start to work and be used
A. implore
B. acknowledge
C. argue
D. implement
Tenses › View
Why were you … so much noise?
A. making
B. make
C. made
D. makes
Modal Verbs › ViewWe _____ do more to help the environment.
A. have to
B. must
C. ought to
D. can
Grammar › View
It’s difficult to ………. up with Frank. He walks too fast.
A. stay
B. keep
C. continue
D. go