Pick the incorrect part in the given sentence.
The number of buses to our village have / gone up since the new bridge opened, / so students no longer / walk the last three kilometres.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → The number of buses to our village have
Here the subject is “the number”, not “buses”. “The number of” means one count or total, so it takes a singular verb. The plural “buses” does not change this. So the verb must be has, not “have”.
Option 1: The number of buses to our village have — Error. “have” should be “has”.
Option 2: gone up since the new bridge opened, — No error. After “since”, the simple past “opened” is right because it names the point when the change began.
Option 3: so students no longer — No error.
Option 4: walk the last three kilometres — No error.
Corrected: The number of buses to our village has gone up since the new bridge opened, so students no longer walk the last three kilometres.