[ Prepositions of Time ]
I’m going out. I’ll be back ______ an hour.
A. in
B. on
C. at
D. X

Random Topics:
Present and Future TensesGrammar - either...or, neither...norTenses and PronounsModals - Conditionals - Future TensesTenses and Time MarkersPassive Voice in Past Simple TenseProgessive TensesConditionals (0 - 1 - 2)AbilityMust or Mus notOther quiz:
Grammar › ViewWe can hear the clicking of the cow’s ______________.
A. hoofs
B. hooves
C. hoofes
Subject Verb Agreement › View
The dog ___________ at the mailman.
A. bark
B. barks
Grammar › ViewWhen do you use be going to?
A. When I want to talk about future plans or predictions based on an evidence
B. When I want to talk about future plans or predictions
C. When I want to talk about spontaneous decisions
Reflexive Pronouns & Modal Verbs › View
Karla, did you nominate _________ as best student?
A. himself
B. herself
C. yourself
