[ Grammar ]
We (clean) _________________________ up the dirty streets in our area last Sunday.
A. cleaned
B. cleans
C. have cleaned
D. has cleaned

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Modals and Adjectives (ed-ing)Grammar: so and suchIntensifiers: Really vs VeryPresent and Past TenseConjunctions and CommasReflexive pronounsSubordinating ConjunctionsSimple and Compound SentencesArticles with Proper NounsSubject, Object, Possessive Pronoun and Possessive AdjectivesOther quiz:
Grammar › ViewThe students (is/are) telling their stories one by one.
A. is
B. are
Grammar › View
You _____ try to visit Scotland – it is a beautiful country.
A. ought to
B. will be able to