[ Modal Auxiliary ]
The windows are very dirty. I … clean them.
A. should
B. will be able to
C. must

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Phrase vs ClauseDefinite vs Zero Article Abstract NounsRelative ClausesHas Got & Have GotPerfect ModalsLet & Be allowed toSubordinating and Coordinating ConjunctionsTransitive or Intransitive VerbsGrammar: SyntaxGerund, Infinitive & ModalsOther quiz:
Grammar and Vocabulary › View. He never lies. He is very _______.
A. dishonest
B. funny
C. lazy
D. honest
Vocabulary › View
……………….. wisdom says that most people will get married and have children.
A. Conservation
B. Conventional
C. Conventing
Regular vs. Irregular Verb › ViewWho just … (speak) at the conference?
- speaked
- spoke
Grammar › View
I _________ 25 years old.
A. have
B. am
C. (-)
