[ Grammar and Preposition ]
Which preposition is commonly used to indicate the time when something happens?
A. over
B. at
C. on
D. between

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Possessive NounsInfinitive FormsPresent Tenses and VocabularyWorld Literature VocabularyTenses, Determiners & Subject Verb AgreementGrammar speak,talk,say,tellA/AnIf ClausesSuffixes and TensesAdverb ClauseOther quiz:
Tenses › ViewThis is the fifth time you forgot your homework.
A. Present Simple Tense
B. Present Continuous Tense
C. Simple Past Tense
D. Past Continuous Tense
Tenses › View
________ students ________ when the teacher walked in?
A. Did … argue
B. Was … arguing
C. Were … arguing
D. Had … argued
Grammar › ViewChoose the correct answer for the gap:
How long ___________ this book?
A. have you used
B. have you been using
Grammar › View
First you need to add the flour to the bowl. ___________, add the salt and the baking soda.
A. For example
B. After that
C. Likewise
