huge city or cluster of cities with an extremely large population
A. megalopolis
B. culture
C. gross domestic product (GDP)
D. globalization

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English for TourismPreference & Future TenseConditional Sentences Type I, IIPresent Perfect and Present Perfect Progressive TensesArticles & QuantifiersMixed GrammarFuture - will / going to / present continuousConditional Sentence Type 3Conditional TypesMiscellaneous Grammar UsagesOther quiz:
Tenses › ViewHe _______________ (lose) his keys, so now he _______________ (have) to break into his own house.
A. had lost / had
B. loses / has
C. lost / had had
D. has lost / has
Dependent Preposition › View
It took years to become fully accustomed ____ the rigorous work schedule.
A. to
B. in
C. with
D. at
Grammar › ViewLast night I ______ an email when my friend Tom ________ me.
A. Last night I wrote an email when my friend Tom called me.
B. Last night I was writing an email when my friend Tom was calling me.
C. Last night I wrote an email when my friend Tom was calling me.
D. Last night I was writing an email when my friend Tom called me.
Grammar › View
Write the punctuation mark that is missing at the end of the sentence.
She was a caring, old lady
_
A. exclamation mark (!)
B. full-stop (.)