[ Adverbial Clauses ]
When the boss walked into the office, his secretary ________.
A. is typing
B. was typing
C. has been typing
D. typed
Select your answer:

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another/the others/each other/one anotherProgessive TensesQuantifierPrepositional PhraseRelative Clauses PronounsSimple TenseNoun, Pronoun, Adjective, VerbPassive Voice and Relative ClausesVerb Tenses and SubordinatesConjunctions - ConnectorsOther quiz:
Mixed General Quiz › ViewI ___ rather die than spend the rest of my life in prison.
a. will
b. would
c. might
Grammar › View
In the US, it’s __________ to ask how old people are.
A. inappropriate
B. unappropriate
C. independable
D. impossible
