Choose the correct preposition to complete: 'She is good ___ mathematics.'

Identify the sentence containing a dangling modifier.

Choose the correct preposition to complete: 'He apologized ___ being late.'

Choose the correctly formed sentence using a gerund as the subject.

Choose the correct preposition to complete: 'They arrived ___ the airport on time.'

Identify the sentence with the correct use of the subjunctive mood.

Choose the correct preposition to complete: 'She is married ___ a doctor.'

Choose the correct sentence regarding parallel structure.

Choose the correct preposition to complete: 'He succeeded ___ passing the exam.'

Choose the sentence with the correctly placed adverb.

Choose the word that means 'a person who studies the stars and planets'.