Question

pupils must look ______to their teachers with respect​

Answer 1

Answer: Up

Explanation:

Pupils must look up to their teachers with respect. The word up can be used as an adverb, preposition and adjective.

Example of up as ADVERB is........ I stood up.

Example of up as PREPOSITION is....... I climbed up the hills.

Example of up as ADJECTIVE is.......Fruits prices are up.

In the sentence given in the question up is used as an adverb because up is used as  an adverb particle in the expressions.

Hope this helps.

Answer 2

Answer: pupils must look up to their teachers with respect .

Explanation: