Question

E. Use the correct preposition after each of these verbs and make sentences with
them. Consult a good dictionary.

appoint, lead, object, differ, protect, prevent ​

Answer 1

Answer:

Mr. X has been appointed as the Principal of ABC College.

I concealed the fact of his having swallowed nothing for four days, fearing it might lead to trouble, and then, I am persuaded, he did not abstain on purpose: it was the consequence of his strange illness, not the cause.

When the object of a preposition is a pronoun, the pronoun should be in the object form. 

The twins differ from each other only in height

Physical exercise can protect you against heart disease.

You can't prevent my leaving