Part 4: Questions from 51 to 55. Fill in each of the sentences with correct prepositions. Mary found it hard to concentrate _{………………..} her work because of the noise.

Part 4: Questions from 51 to 55.

Fill in each of the sentences with correct prepositions.

Mary found it hard to concentrate _{………………..} her work because of the noise.

Part 4: Questions from 51 to 55. Fill in each of the sentences with correct prepositions. Mary found it hard to concentrate ……………….. her work because of the noise.