[ Grammar - TOEIC ]
George hurt his head while he __________ .
A. ice skated
B. had ice skated
C. ice skates
D. was ice skating

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Present Simple and Continuous TenseConjunctions, Prepositions and InterjectionsPresent Simple vs Present ContinuousTense,noun,preposition,quantityConjunctionCompound and Complex, ConditionalsPast Tense & Past Continuous TenseStative Verbs and TensesModal AuxiliariesGiving and Asking for AbilityOther quiz:
Modal Verbs › View. ___ you help me with my project next week?
A. Can
B. Could
C. Able to
D. Should
Grammar › View
A microscope is an instrument ________________ is used to magnify objects. Which word best completes the sentence?
A. that
B. who
C. whose
D. which
Grammar › ViewThey …….. cooking for the one hour.
A. Has been
B. Have been
C. Will be
D. Had been
Grammar › View
Are we going to visit the museum, ___________ are we going out to see a movie?
A. and
B. but
C. or
D. so