[ Grammar ]
Hipparchus established an observatory in the third century B.C.
A. Active
B. Passive

Random Topics:
Asking and Giving SuggestionVerb Types and TensesAdverb and Noun ClausesIndefinite PronounsCorrelative ConjunctionPerfect ModalsZero and First ConditionalsAdjective & AdverbsPronoun & Present SimpleHave toOther quiz:
Grammar › ViewWe ___ play on the streets when we were kids until late night. Now, it’s not possible.
A. could
B. couldn’t
Grammar › View
Good or bad advice? : Explain your feeling to make your story sound more interesting
A. Good advice
B. Bad advice
Vocabulary › ViewYou really need to — your spending or you will soon be broke.
A. curb
B. void
C. disputed
D. stimulate
Grammar › View
I ….. already been to Paris.
A. –
B. have
C. had
D. never
