[ Grammar ]
What (you, do) ………..when you ………….(hear) that noise?
A. were you doing/ heard
B. you were doing / heard
C. you did/ heard
D. you did / were hearing

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Relative ClauseTenses - AuxiliariesTime ExpressionsFuture PassivePhrases and TensesNouns & PronounsPreference & Future TenseAdjectives Ed and IngAsking & Giving AttentionPresent Perfect vs Past SimpleOther quiz:
Grammar › ViewMark has had his new computer … two months.
A. since
B. for
Grammar › View
He _____ to have met the president, but I don’t believe him.
A. says
B. tells
C. talks
D. claims
The cat crawled ________ the sofa.
A. over
B. under
C. on
D. at
Grammar › View
Choose the correct verb from the choices.
The owner of the puppies (seems, seem) interested in finding them good homes.
A. seems
B. seem
