[ Grammar ]
The pupils______________ hard to put on a musical for the teachers since July.
A. work
B. worked
C. had worked
D. have been working

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Reported Speech and SubjunctivePresent Continuous TenseModal Verbs in ConditionalsSubject Verb Agreement & Subjunctive MoodAspect or tenses of VerbsVerbs with Prepositions and ConjunctionsMuch, many, a lot of, a few, a littleGrammar: Defining Relative ClausesClause Markers TOEFL GrammarInfinitive or GerundOther quiz:
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A. flight
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Grammar › View
I _____ wear a tie; I do it because I like wearing ties.
A. have to
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a. root
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Relative Clause › View
We don’t know the person ______ I gave this money.
A. which
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C. whose
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