Choose the best by circling the corresponding letter A or B, C, D (2.5 points): 1. I sometimes stay________ bed until lunchtime. A. in B. on C. at D.

Choose the best by circling the corresponding letter A or B, C, D (2.5 points): 1. I sometimes stay________ bed until lunchtime. A. in B. on C. at D. by 2. He has gone abroad. He will return________ A. for two years B. in two years C. for two years ago D. in next two … Đọc tiếp