Correct Answer : but he
'Although or though' and 'yet' are used in pair. So, replace 'but' with 'yet', e.g., yet he won the race.
Correct Answer : neither my sister
'neither' is followed by 'helping verb' and the helping verb is followed by the 'subject', so add 'has' after 'neither', e.g., neither has my sister.
Correct Answer : while he fell
Scarcely and when comes in a pair and you have to use them in different places in a sentence to make them work. So, in this sentence, replace 'while' with 'when', e.g., Tony had scarcely finished painting when he fell a sleep.
Correct Answer : have
Don't let the word 'teachers' confuse you. The subject in this sentence is each, and each is always singular, so replace 'have' with 'has' e.g., each of the teachers has been given an award and a cake.
Correct Answer : has
When more is followed by a plural noun, e.g., more + plural noun + than one, the verb will be plural. So, replace 'has' with 'have'.
Correct Answer : one of the bad habi
'At least one of the bad habit' refers to one bad habit out of many bad habits. So, replace 'habit' with 'habits' in the sentence.
Correct Answer : the lack of water
Correct Answer : has been
Correct Answer : No Error
Correct Answer : are taking
