Directions: Fill in the blanks by picking out the most appropriate words from the choices provided.

The _________ matron of the hostel put an end to the ________ meetings of the boarder with her boy friend.

After reading the sentence it is evident that meetings of the boarder with her boy friend were undesirable and possibly secret. Clandestine comes as a desirable match for such meetings and perfect in this context. Therefore option (4) appears as the best choice among those provided. The first blank ‘lynx–eyed’ means having keen eye sight also aptly describes the characteristic of matron.