[ Tenses ]
Water ___________ at zero degrees.
A. freezing
B. freezes
C. was freezing
D. is freezing

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Common ErrorComparatives and SuperlativesGrammar: Have toPresent or Past TensesModals, Infinitives and GerundsSubject, Object, Possessive Pronoun and Possessive AdjectivesModals for RecommendationsPast Simple, Present Perfect TenseInfinitives and ING FormsWestern Europe CountriesOther quiz:
If Conditionals › ViewI will get angry if you (make/ will make) more mistakes.
A. make
B. will make
Auxiliary Verbs & Question Tags › View
Mary didn’t do her homework last Monday, ___?
A. does she
B. do she
C. did she
