HE’S TIRED _____ HE HAS BEEN WORKING ALL DAY.A. BUT B. BECAUSE C....

11. - DE KIEM TRA ANH 9 SO 4 NANG CAO
DE KIEM TRA ANH 9 SO 4 NANG CAO
11. He’s tired _____ he has been working all day.a. but b. because c. even though d. b and c are correct