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

Choose the correct sentence regarding the use of 'either...or'.

Choose the correct synonym of 'Volatile'.

Choose the correct passive voice of the sentence: 'They are building a new bridge.'

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

Choose the meaning of the idiom 'to spill the beans'.

Choose the word that means 'a place where weapons are stored'.

Choose the meaning of the idiom 'to hit the nail on the head'.

Identify the correct sentence:

Choose the correct one-word substitution for 'a person who has no money'.

Choose the correctly formed sentence indicating ability in the past.