Choose the correct option to fill in the blank in the given sentence:

Every product is ______tested before being sold in the retail market.

Fill in the blank in the following sentence with a correct word from the options given below:-

______ investigation is needed in this case.

Fill in the blank in the following sentence with the most appropriate word:

She was ____ that the changes made to the document might not be acceptable to the manager.

Choose the correct option to fill in the blank in the given sentence:

A __________ of thunder broke overhead.

Match the words in List-I with their definitions in List-II

List-I (Words)	List-II (Meanings)
(A) Convalescence	(I) A state of having passed out of the memory, or being forgotten
(B) Euphoria	(II) A period of time when you get well again after an illness or medical operation
(C) Verisimilitude	(III) A strong feeling of happiness and excitement that usually lasts only a short time
(D) Oblivion	(IV) Appearing true or real

Choose the correct answer from the options given below:

Fill in the blank with an appropriate word from the options given below:

The interior of the concert hall is a _______ feast to the eye.

Match the definitions in List-I with the words in List-II

List-I	List-II
(Definitions)	(Words)
(A) An ability to stay calm in difficult situations	(I) Fastidious
(B) One who is difficult to please	(II) Convivial
(C) One who is full of life and has a charismatic personality	(III) Ambivalent
(D) One who has mixed feelings	(IV) Sangfroid

Choose the correct answer from the options given below: