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

Random Topics:
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 › ViewWhich category is the following sentence: “We’re learning how to play lacrosse in PE.”
A. temporary event which is not finished
B. routine
C. general fact
D. future event
Tenses › View
Differentiate between present progressive and present perfect progressive tense with examples.
A. Present progressive tense describes an action currently happening (e.g., ‘I am eating’), while present perfect progressive tense describes an action that started in the past and is still ongoing (e.g., ‘I have been eating’).
B. Present progressive tense describes an action that happened in the past (e.g., ‘I was eating’)
C. Present progressive tense describes an action that will happen in the future (e.g., ‘I will be eating’)
D. Present perfect progressive tense describes an action that happened in the past and is now completed (e.g., ‘I had been eating’)
Regular vs. Irregular Verb › ViewWho just … (speak) at the conference?
- speaked
- spoke
Grammar › View
I _________ 25 years old.
A. have
B. am
C. (-)
