[ Preposition of Time ]
Choose the correct preposition (in / on / at). If no preposition is needed choose -.
Columbus sailed to the Americas _______the 16th century.
A. in
B. on
C. at

Random Topics:
Causative VerbPossessive Pronouns and QuantifiersGrammar - Imperatives and LetVerb FormsInfinitive FormsSimple and Continuous Present Tense-ed and -ing AdjectivesConnectorsTime PhrasesConditionals and Modal VerbsOther quiz:
Tenses › ViewThe overcast sky ____ gloomy yesterday afternoon.
A. looked
B. looks
C. is looking
D. will look
Vocabulary › View
What does the word ‘crucial’ mean?
A. Having extreme importance for something’s success
B. To behave as if you’re better than other people
C. A topic that people in society argue a lot about
D. To give someone money etc to make up for something they’ve lost/injured etc