Which of the following sentences is correct?

The correct sentences are -
The police will investigate the case.
My brother has resigned the post.
The boy resembles his father.
discuss, join, sign, resign, concern, confuse, describe, announce, attack, enter, love, request, contemplate, resemble, recommend, comprise, violate, investigate, contradict, order, emphasise, regret, inform, reach, pick, meet, ascend, answer ইত্যাদি Transitive Verb এরপর preposition না বসে সরাসরি object বসে।