[ Conjunctions ]
The Explorers like to play lock ________ key.
A. so
B. or
C. and
D. because
Select your answer:
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Past SimpleVerb-ing or to VerbTypes of Sentence StructuresPast ParticiplesSimple PastTo Infinitive or GerundWish, Unless, If sentencePerfect TenseGrammar - Capitalization and Possessive Nouns
Other quiz:
Phrasal Verb › Viewbe deceived
A. Take to
B. Be taken in
C. Take over
D. Be taken aback
Grammar › View
Then I ______ that there should be in the minerals some unknown element having a much greater radioactivity than uranium or thorium.
A. am thinking
B. think
C. had thought
D. thought
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