Pregunta 71

Sam fears that the exam may be difficult. Sam is worried … the exam.

aboutRespuesta correcta
for
of
on

Explicación

Worried takes about to introduce the matter causing concern. For may express concern for a person's welfare, but the object here is an upcoming event, so that reading does not fit.

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Pregunta 71: Sam fears that the exam may be difficult. Sam is worried …… · English Prepositions · Questena