In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. <br />Technical skill ____________ to the ability and knowledge to use the pedagogy, tools and techniques involved in the teaching and research of a specific subject. Ability in programming or software designing and operating a computer is, ___________ instance, a technical skill. There are two things a teacher should understand __________ transformational technical skills. In the first place, he must know __________ skill and what level of skill should be applied on a particular student. He should be ____________ enough with their potential to ask discerning questions. Secondly, a teacher must understand the role of each event organised and the transformational skill applied, and the inter-relationships between the events and skills. he must know __________ skill and what level

Correct Answer: which