[ Grammar ]
____ the children ___ hide-and-seek in the next room right now?
A. Do the children play
B. Are the children playing
C. Did the children play

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Superlative AdjectivesGrammar - help/have/let/makePassive Voice - Past SimpleModals and Modal PerfectsPresent Tenses and VocabularySentence Structure and Verb TensesQuestion tag and + - AgreementVocab CheckingPresent Tense vs Present ContinuousGrammar : Structural Common ErrorsOther quiz:
Aptitude : Height and Distance › ViewAn observer 1.6 m tall is 203 away from a tower. The angle of elevation from his eye to the top of the tower is 30º. The heights of the tower is:
A. 21.6 m
B. 23.2 m
C. 24.72 m
D. None of these
Modals › View
If my boss is away on business, I……use her office to make phone calls.
A. can
B. can’t
C. need
D. allowed to
Grammar › ViewThe ban of nuclear arms has much supporters, both liberal and conservative, from all over the world. Which one is incorrect word/phrase?
A. ban
B. much
C. from
D. all over
Vocabulary › View
She tried to be helpful without being _______.
A. hobo
B. intrude
C. despair
D. intrusive
