Philosopher John Dalton is credited with developing our theory of atoms. Dalton proposed that they make up elements and combine to form chemical compounds.
What is the antecedent for they?
A. John Dalton
B. atoms
C. chemical compounds
D. elements

Random Topics:
Present Simple QuestionsModals and Present TensesCountable QuantifiersAdjective Clause and Adverb ClauseTenses, Determiners & Subject Verb AgreementPrepositions after VerbsPresent Progressive (Future)Past Simple (to be)Correlative conjunctionsModal VerbOther quiz:
Modal Verbs › ViewMy back has been hurting for weeks. I__________go to the doctor’s.
A. don’t have to
B. have to
C. mustn’t
D. must
Grammar › View
I’m doing my project tonight, so I _____ go out with you.
A. can’t
B. am not
C. can not
D. don’t
Tenses › ViewThe forecast ____ rain for the next few hours.
A. predicts
B. predicted
C. is predicting
D. will predict
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Report this sentence correctly.
‘I can swim really fast.’
_____
A. He said that he could swim really fast.
B. He told that he could swim really fast.
C. He said me that he could swim really fast.
