[ Inversion + Passive Voice ]
so popular…………..that it now carries nealy two million passengers each day.
A. has the system become
B. the system has become
C. have the system become
D. the system has became

Random Topics:
So or SuchPrepositionsModals VerbsVerb Moods and Vague PronounsGrammar, adverbs of frequency placementVocabularyGrammar Like & Linking VerbSpeech TensesTime and CalendarIntermediateOther quiz:
Grammar › ViewHe plays for Manchester United. ………….. footballer.
A. He
B. He’s a
C. He’s
D. He’s an
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When driving, it’s important to _____ a safe distance between your car and the car ahead of you.
A. to keep up
B. to give up
C. to pass up
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A. after
B. before
C. if
D. until
Grammar › View
The “Mona Liza” was______by Leonardo da Vinci.
A. painted
B. designed
C. sculpted
