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

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Miscellaneous Grammar UsagesWorld Literature VocabularyContinuous TensesWord Form & Verb TenseConditional 0Simple Past/Past ProgressivePresent Forms and Narrative TensesGrammar and SyntaxGrammar: Defining Relative ClausesPerfect ModalsOther quiz:
Mixed General Quiz › ViewHe ___ a camera.
a. have
b. has
Auxiliary and Modal Verbs › View
What is the main function of the modal auxiliary ‘can’?
A. Expressing obligation
B. Forming passive tenses
C. Asking for permission
D. Expressing probability
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