[ Grammar ]
While __________ EMAIL the computer suddenly went off.
A. i am writing
B. i had written
C. i was writing
D. i had writen

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If/Unless - Conditional type 1Quantifies and Modals of DeductionConstrative ConjunctionGerundsFirst Conditional & Future TensesModals and Adjectives (ed-ing)Comparison and ModalsGrammar - Capitalization and Possessive NounsSimple Past ContinuosPast Simple, Past Continuous, Past Perfect, Past Perfect ContinuousOther quiz:
Past Simple Regular Verbs › ViewI______(study) all day yesterday.
A. studied
B. studyed
C. studyied
D. studdied
Demonstrative Pronoun › View
Fill in the blank with the correct demonstrative pronoun.
________ pirates stole the jewels. (Far)
A. This
B. That
C. These
D. Those