Directions: 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. Your answer is (4) i.e. No error.

Q:

A few tiles on skylab (1)/ were the only equipments (2)/ that failed to perform well in outer space.(3)/ No error (4).

• 1
  1
• 2
  2
• 3
  3
• 4
  4