Ecstasy of happiness' এর অর্থ-

'Retrieval' is the process of getting something -

Now that we have succeeded in isolating this drug and discovering its nature, our next problem is to plan its_______________ in the laboratory. Fill in the blank-

A 'pseudonym' is a/an

Choose the pair that best expresses a relationship similar to the pair of words given in Capitals. SANCTUARY: CHURCH