In the following questions, some of the sentences have errors and some have none. Find out which part of a sentence has an error. The number of that part is your answer. If there is no error, your answer is (4) i.e., No error.
Part of the research program (1)/ involved interviewing teenagers (2)/ in innercity
areas. (3)/ No error (4).
I could not put up at a hotel (1)/ because the board and lodging charges (2)/ were
too expensive.(3) /No error (4).
In the following questions, sentences are given with blanks to be filled with an appropriate word (s). Four alternatives are suggested for each question. Choose the correct alternative out of-the four as your answer