Ancient people __ most of their time either doing their business or performing certain rituals.
A. used to spend
B. have spent
C. spend
D. have been spending
E. are spending

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Question Tags in Verb TensesIf/Unless - Conditional type 1Gerunds/InfinitivesAsking & Giving OpinionModal Verbs & Time PrepositionsCommunicative GrammarDefinite & Indefinite Pronoun & ConditionalsModalsReported Speech and Reporting VerbsModals and Past TensesOther quiz:
Grammar › ViewOlly and Max said, “We don’t know the population of London.”
A. Olly and Max said that they don’t know the population of London.
B. Olly and Max said that they didn’t know the population of London.
C. Olly and Max said we didn’t know the population of London.
D. Olly and Max said that they hadn’t known the population of London.
Vocabulary › View
Many teenagers are _________about current events.
A. decisive
B. ignorant
C. converge
D. periphery
Grammar › View………… (teachers, have) a lot of work to do after school?
A. Do teachers have
B. Does teacher has
C. Do teachers has
Grammar › View
__ the river?
a. How deep has
b. How deep can be
c. How deep is