[ Vocabulary and Grammar ]
. Gabriel walked onto the stage and ______ himself to the audience.
A. introduces
B. introduced
C. will introduce

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Types of PhrasesSimple PresentAuxiliary ModalWho vs WhomIELTS VocabularyDeterminersAdjectivesTenses and ComparisonsInfinitives and ING FormsModals, Conditionals, and Clauses- Defining, Non-definingOther quiz:
Preposition › ViewFor centuries now, most of the resources of nations have been devoted ……… the military ……….. the development of better weapons and fortifications.
A. for/through
B. to/for
C. on/along
D. by/with
Grammar › View
My pet cat …….. on my lap and …….
A. sit…purr
B. sits… purrs
C. sat…purr
D. sitting…purring
Perfect Progressive Tenses › ViewHow long ______ (she/learn) Spanish by the time she travels to Spain?
A. has she been learning
B. will she have been learning
C. had she been learning
Passive Voice › View
Have you _________ by a dog?
A. bite
B. bit
C. ever been bitten
D. ever been bit
