From the words lettered A to D, choose the word that best completes each of the following sentences: The teacher, as well as his students...........working very hard.
A. is B. have been C. are D. were
Correct Answer: A
Explanation
The teacher, as well as his students are working very hard. When deciding whether to use is or are, look at whether the noun is plural or singular. If the noun is singular, use is. If it is plural or there is more than one noun, use are. In this regards we have two nouns, teacher and students, hence ''are'' is correct