Write the correct form of the word in bracket: Stricter controls on air (a)   would help to reduce acid rain. (POLLUTE

Write the correct form of the word in bracket: Thousands of troops have massed along the border in preparation for an (a)   (INVADE)

Write the correct form of the word in bracket: She was standing (a)   close to the fire. (DANGER)

Write the correct form of the word in bracket: We employ a (a)   two days a week. (GARDEN)

Write the correct form of the word in brackets: The hotel is (a)   located, making it easy to explore the city. (CENTRE)

Write the correct form of the word in brackets: The children sat in a (a)   formation during storytime. (CIRCLE)

Write the correct form of the word in brackets: This morning was the (a)   I've ever seen; I could barely see the road ahead. (FOG)

Write the correct form of the word in bracket: The war demonstrated the (a)   power of modern weapons.(DESTROY)

Write the correct form of the word in bracket: Farmers care (a)   for their land. (DEEP)

Complete the sentence with the correct preposition: You don't sound very enthusiastic (a)   the idea.

Complete the sentence with the correct preposition: No one can prevent you (a)   attending this meeting.

Complete the sentence with the correct preposition: This could cause serious damage (a)   the country's economy.

Complete the sentence with the correct preposition: She is serious (a)   improving her English skills before studying abroad.

Complete the sentence with the correct preposition: The prisoners tried to escape (a)   the high-security facility but were caught.

Complete the sentence with the correct preposition: The heavy rain prevented us (a)   going on our picnic.

Complete the sentence with the correct preposition: I need some time to think (a)   your proposal before making a decision.

Complete the sentence with the correct preposition: Parents often worry (a)   their children's future.

Complete the sentence with the correct preposition: There has been an increase (a)   demand for electric cars recently.

Complete the sentence with the correct preposition: Are you aware (a)   the risks involved in this project?