Question : Improve the underlined part of the sentence. Choose 'no improvement' as an answer if the sentence is grammatically correct.
They will took their grandchildren to the zoo.

Option 1: no improvement

Option 2: taken their

Option 3: takes their

Option 4: took their

Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct
The sea wall protected the village in the waves.

Option 1: No improvement

Option 2: village from

Option 3: village through

Option 4: village by

Question : Improve the underlined part of the sentence. Choose ‘No improvement’ as an answer if the sentence is grammatically correct.
The teacher let the students choose there essay topics.

Option 1: No improvement

Option 2: has choose their

Option 3: chosen there

Option 4: choose their

Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
After recess, the students returns to their desks.

Option 1: returned to there

Option 2: returns to there

Option 3: returned to their

Option 4: No improvement

Question : Improve the underlined part of the sentence. Choose 'No improvement' as an answer if the sentence is grammatically correct.
This has sharp decreased the cases of water-borne diseases.

Option 1: sharp decrease

Option 2: sharply decreased

Option 3: sharper decreases

Option 4: No improvement