Multiple choice

More than 50 cars ________ at our car-wash every day.

  1. washing

  2. are washed

  3. is washed

  4. washes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The subject 'More than 50 cars' is plural, so it requires the plural verb form 'are washed' in the passive voice. 'Is washed' and 'washes' are singular forms, while 'washing' is a participle that cannot function as the main verb on its own.

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