Select the word that best completes the sentences. Doctoral students who are preparing to take their qualifying examinations have been studying in the library night $—$the last three months.

PSC DSS Office Sohayok BCS 11th BCS Preli - 1991 26th BCS Preli - 2004 BPDB SA - 2012 DGFP FWV Trainee - 2013 PTD Assistant Director (Law) - 2013 MoPA Administrative Officer - 2007 IBBL IBBL PO - 2013 IBBL Officer - 2013 PPA – Assistant Sub-Inspector - 2018 Various Depts – Administrative Officer - 2019 BCC – Personal Assistant - 2019 Biman – SIB/RC - 2020 Directorate of Posts Various Post - 2022 IBBL Officer - 2022 Primary Teacher Primary Assistant Teacher - 2007 LGED – Office Sohayok - 2023 BUET Petrobangla – Sub-Assistant Engineer - 2024 BN – Various Posts - 2025 DESCO – Substation Assistant - 2025 BR Trade Apprentice - 2026 DSS Office Sohayok - 2026 English Uses of Since and For

PSC BPSC DG Food Regional Maintenance Officer (RMO)/Sub-Assistant Engineer English Uses of Since and For

PSC JSC Office Assistant (Typist) Southeast Bank Southeast Officer - 2025 JSC Office Assistant (Typist) - 2026 English Uses of Since and For

PSC BR Trade Apprentice BCS 11th BCS Preli - 1991 26th BCS Preli - 2004 BPDB SA - 2012 DGFP FWV Trainee - 2013 PTD Assistant Director (Law) - 2013 MoPA Administrative Officer - 2007 IBBL IBBL PO - 2013 IBBL Officer - 2013 PPA – Assistant Sub-Inspector - 2018 Various Depts – Administrative Officer - 2019 BCC – Personal Assistant - 2019 Biman – SIB/RC - 2020 Directorate of Posts Various Post - 2022 IBBL Officer - 2022 Primary Teacher Primary Assistant Teacher - 2007 LGED – Office Sohayok - 2023 BUET Petrobangla – Sub-Assistant Engineer - 2024 BN – Various Posts - 2025 DESCO – Substation Assistant - 2025 BR Trade Apprentice - 2026 DSS Office Sohayok - 2026 English Uses of Since and For

PSC BJSC Office Assistant English Uses of Since and For

PSC FSCD – Station Officer (Non Cadre) DESCO SSA - 2022 FSCD – Station Officer (Non Cadre) - 2025 English Uses of Since and For