[ Grammar ]
How long ___ waiting for me?
a. have you been
b. you have been
c. have you

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Pronouns and AntecedentsSimple and Past TensesState Verbs and Action VerbsComparative Adjectives and AdverbsGerund or InfinitivesModal Verbs & Reflexive PronounsModals: Possibility, Necessity, ExpectationTOEICAsking and Giving OpinionPhrasal VerbsOther quiz:
Grammar › ViewEveryone should take care of ___ belongings properly.
A. their
B. theirs
C. them
D. themselves
Grammar › View
How long ____ the drums?
A. have you been playing
B. you have played
C. have you playing
D. have you played
Tenses › ViewMany tourists enjoy ___ Cambodian street food.
A. eat
B. eating
C. to eat
D. eaten
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You need to wear a ____ when riding a bike.
A. seatbelt
B. life jacket
C. helmet
D. safety bag