[ Grammar ]
“Could Vanessa _________ her keys behind?” wondered Mrs Cheng when she saw a bunch of keys on the table.
A. left
B. leave
C. had left
D. have left

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Adverb of Frequency and TensesArticles & PrepositionTransitional WordsPast Simple (to be)Demonstrative PronounModals and TensesWill & Be going toGrammar AssessmentIf ClausesPreposition & GerundOther quiz:
Vocabulary › ViewWhich word means “Suitable or fitting for a particular purpose or situation”?
A. Interactive
B. Tech-savvy
C. Appropriate
D. Perception
Vocabulary & Grammar › View
Secondly, there’s too much testing and not enough learning. My fifteen-year-old daughter, for example, has just spent the last two months or so……………….for exams
A. cramming
B. lecturing
C. reading
D. practising
Wh - Question › ViewQ: ………….. does Alice swim?
A: She swims twice a week.
A. How to
B. How often
C. Where
D. Why
Grammar › View
The teacher is talking, _________ we need to listen.
A. or
B. so
