While small dogs are more vulnerable then large dogs, they also tend to be more aggressive. No error
"Then" is used to describe a sequence of events, while "than" is used to compare two subjects. Here, two subjects are being compared: big and small dogs. Therefore, "than" should be used, not "then."
940 MCQ for effective preparation of the test of Prepositions of English Grammar section.
Read the MCQ statement: While small dogs are more vulnerable then large dogs, they also tend to be more aggressive. No error, keenly and apply the method you have learn through the video lessons for Prepositions to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 377-4656.