[ Grammar ]
The sky is cloudy. It _______ raining tonight. I’m not sure.
A. must be
B. might be

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Passive Voice with Modal VerbsUse of Prepositions or ConjunctionsModals and Past ModalsWh-QuestionPresent Continuos TenseSimple and Continuous TensesIdiomsVerb Tense, Pronouns and AntecedentsWh QuestionsSecond Type ConditionalOther quiz:
Degrees of Comparison › ViewTabby is the ________ of the four cats.
A. smarter
B. smartest
Grammar › View
Jenny ______ tired.
A. are
B. is
C. has
D. have
Question Tags › ViewYou don’t know her, ___?
a. have you
b. are you
c. do you
Subject Verb Agreement › View
A single bird (sings / sing) a beautiful melody.
A. sing
B. sings