----- Nội dung dịch tự động từ ảnh ----- VI. Choose the best answer 1. We've been here ............last week. A. since B. for 2.They haven't seen each other ...........a long time. A. since B. for 3.My mother............in this hospital for 9 A. have worked B. worked 4............ you had breakfast since 6.00 a. m? A. Do B. Does 5.I have.........her for some years. A. know B. known 6............ have you lived here? A. When years. B. How long 7 C. by C. with C. has worked C. Have C. knew C. What time D. from D. about D. works D. Has D. knowing D. What