Choose the alternative which can replace the underlined word without changing the meaning: The bullet wound proved to be fatal (underlined) and the soldier died immediately.

Choose the appropriate plural form of the given word: Sheep

Choose the alternative which can replace the underlined word without changing the meaning: It is very difficult to retain (underlined) all that you hear in the class.

Choose the appropriate plural form of the given word: Baby

Choose the alternative which can replace the underlined word without changing the meaning: In spite of their efforts, the team of scientists could not make much headway (underlined) to solve the problem.

Choose the appropriate singular form of the given word: Teeth

Choose the alternative which can replace the underlined word without changing the meaning: We didn't believe in his statements but subsequent (underlined) events proved that he was right.

Choose the appropriate singular form of the given word: Knives

Fill in the blank: I commenced work ______ the 1st of January.