THEY'LL PROBABLY ASK YOU ... A. SINCE WHEN YOU ARE B. H...

ĐỀ THI OLYMPIC ĐỒNG BẰNG SÔNG CỮU LONG TRƯỜNG THPT THỊ XÃ SA ĐÉC

14. They'll probably ask you ... A. since when you are B. how long you have been C. since when have you been D. how long you will have been