Systematic ocean exploration in the United States of America ____ in 1807 when Thomas Jefferson ___ the survey of the coast.
A. will begin / will authorize
B. began / authorized
C. has begun / has authorized
Random Topics:
Phrasal Verbs with up and downPre-intermediateModal Verbs and ConjuctionsPresent and Past TensesPassive Voice & TensesWho am I?Infinitives and ING FormsAdverb of MannersPresent Tenses: Simple vs ContinuousPresent ContinousOther quiz:
Vocabulary › ViewI’d heard rumors over the years, but I never gave them any — whatsoever. I can’t believe in those.
A. credence
B. precedent
C. prevalent
D. harmonious
Modal Verbs › View
I don’t have money.
A. You should sells your Play station.
B. You should sell your Play station.
C. You should to sell your Play station.
D. You should selling your Play station.
Future Tenses › ViewTo make a promise we use…
A. present simple
B. be going to
C. future simple
D. future continuous
Relative Clauses & Real Conditionals › View
Choose the appropriate first conditional sentence: If I see him tomorrow, I ______ him about the meeting.
A. told
B. will tell
C. would tell
D. tell