[ Grammar ]
All personnel ____ wear safety goggles while operating this machinery.
A. must
B. must not
C. can
D. should not
Select your answer:
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Verb + PrepositionGerund & InfinitivesGrammar and VocabularyPrepositions and Preposition PhrasesSimple Verb TensesTenses and VerbsOn, At, ByThe Structural Types of SentencesAdverb Clauses of TimeSentence Structure and ConjunctionsOther quiz:
Tenses › ViewChoose either the simple present or the present progressive form for the verbs in parentheses. He (understand) everything the teachers says.
A. understands
B. is understanding
Reported Speech › View
We’ll be away for three days.
A. Pat and Mark said that they were away for three days.
B. Pat and Mark said that they would be away for three days.
C. Pat and Mark said that they will be away for three days.