My brother _____ clean his room before he could go out.
A. has to
B. must
C. had to
D. used to

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Kinds of SentencesModals and Adjectives (ed-ing)If Conditional Zero and OneVOCAB & GRAMMARPhrasal Verb With TakePresent Simple and ContinuousWH- Question WordsVocabularyPronouns, Verb, ConjunctionGrammar SuffixesOther quiz:
Grammar › ViewWhich one of these sentences use an Adverb Clause at the beginning of a sentence?
A. Before we go on vacation, we must make reservations.
B. Vacation we be went before, reservation be one to make first.
C. Elephants, although they are large, are not predators.
D. practicing the song you must be, until get you right it.
Grammar › View
__ April.
A. in
B. on
C. at
Adverbs and Adverbial Phrases › ViewThey go before the main verb but after the verb to be.
A. Adverbs of manner
B. Adverbs of frequency
C. Adverbs of time/place
D. Adverbs of degree
E. Comment adverbs
Tenses › View
________ (the traffic lamp, turn on) right now? I can’t see it clearly.
A. Is the traffic lamp turning on
B. Are the traffic lamp turning on
C. Was the traffic lamp turning on
D. Were the traffic lamp turning on