[ If vs. Whether ]
I don’t know … he could fix a broken chair leg.
- if
- whether
- if/whether

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Present and Past Simple PassiveModal and Phrasal VerbsPast Tense vs Present Perfect TenseModal Verbs and Gender NounsModal Verbs in ConditionalsCan vs be able toModals - Have to or ShouldSimple Past vs Past Continuous TensePersonal Pronouns and VerbActive Voice-Present tenseOther quiz:
Gerund vs. Infinitive › ViewHe considered …………. a new job, but then he changed his mind.
A. Get
B. To get
C. Getting
Vocabulary › View
widespread sources of air pollution
A. point source
B. nonpoint source
C. ozone
D. conservation
Modals › ViewYes, you can’t / may call me on my private number.
A. can’t
B. may
Grammar › View
. What was the original meaning of the word ‘grammar’ in ancient Greek?
A. The study of pronunciation
B. The ability to write
C. The study of dialects
D. The structure of words
