Please answer this within an hour :(

46.Expromission is different from delegacion in that in expromission:

Choices:

A. All the parties (delegante, delegatorio and delegado) must give their consent to the substitution of debtors.

B. The substitution of the original debtor by a new one is initiated by a third person.

C. The new debtor is always entitled to demand reimbursement of what he paid and to subrogation.

D. The insolvency of the new debtor may revive the right of the creditor to go after the original debtor.

47.The cause of a contract differs from the motive of each party to the contract in that motive:

Choices:

A. When illegal will render the contract void.

B. Is an essential element of a contract.

C. Is always known by the other party.

D. Although illegal, does not affect the validity if the contract.

48.The following cannot give consent to a contract, EXCEPT:

Choices:

A. Minors, except sale of necessaries in life.

B. Demented persons.

C. Insane persons.

D. Minors who represent themselves as of legal age to one in good faith.

49.The following are still valid contracts, EXCEPT:

choices:

A. Voidable.

B. Unenforceable.

C. Void.

D. Rescissible.

50.At the height of the flood, Bentong saw Kentong and his family bringing their personal effects to a higher ground. He offered his help which was accepted. Thereafter, Kentong gave P1,000 to Bentong who was not expecting the payment. The contract between Bentong and Kentong is:

choices:

A. Remuneratory.

B. Onerous.

C. Gratuitous.

D. There was no contract at all.