Grammar Quiz

[ Grammar ]

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

Select your answer:
         


Random Topics:

must/shouldModal SpeculationGrammar : Structural Common ErrorsPast simple regular verbsPrepositions of Place & TimeAnalogyAsking for and Giving OpinionAdjectives and PronounsDemonstrative Speech

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Every new day begins with possibilities. It’s up to us to fill it with the things that move us ____ progress and peace.

A. before

B. below

C. against

D. toward


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Luc has been watching TV […] two hours.

A. since

B. for

C. during

D. while