Answer: B)
Explanation:
The correct question should be ''Who is responsible for watching the little children...?'' because in that case 'Who' will be the most appropriate solution.
If we put Which or Whom it would be like the previous text of the question is missing and with Who this question is complete. If we leave it with Whoever is would be like the rest of question is missing.
Answer:
OB: A check-up will ensure that your pet will remain allergy free.
Explanation:
This is true going by the suspicion by the person about the reaction of the pet being due to allergies. In order to resolve this issue, there is need to do a thorough medical check-up on the pet. This would help in the treatment of the allergies leading to it being allergy-free.
The correct answer is complement.
Like you wrote above, to complete is when you make something whole. Complement is something that completes your collection. The bronze statue completed her collection perfectly, which is why it was a good complement. Somebody can give her a compliment on her complement, however, meaning that he or she can praise the statue. :)