The more-or-less rhythmic succession of economic booms and busts (is / are) referred to as the business cycle.
A. is
B. are
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Grammar and VocabularyConditionals (0 - 1 - 2)Countable & Uncountable NounsDemonstrative PronounsPast and Future TensesComparative and Superlative AdjectivesModal Verbs for Permission and ObligationGrammar - Present Perfect TenseGrammar - Wh QuestionsHomophonesOther quiz:
Grammar › ViewThe Singapore football team will be playing ___ the Malaysian team in the next match.
A. into
B. over
C. across
D. against
Grammar › View
The farther away from the earth the human is … the gravitational force of the earth.
A. The least
B. The less
C. Much less
D. Much least
Are the teachers in the meeting?
A. Do you know if the teachers are in a meeting?
B. Do you know if the teachers in the meeting?
C. Do you know if the teachers in a meeting are?
Tenses › View
Isn’t it strange that you ____ for Mark’s surprise party all week, but you ____ him a birthday present yet?
A. are preparing / didn’t buy
B. prepared / don’t buy
C. have prepared / aren’t buying
D. have been preparing / haven’t bought