Multiple choice softskills leadership

Are you careful ___ check fruit and vegetables before buying them in a shop?

  1. to

  2. at

  3. in

  4. for
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When 'careful' is followed by a verb to indicate the action being performed cautiously, the infinitive form 'to [verb]' is used. 'At', 'in', and 'for' would require a gerund (-ing) or noun and do not fit the infinitive structure 'careful to check'.

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