CHỌN ĐỎP ỎN ĐỲNG (A, B, C, D) ĐỂ HOÀN THÀNH MỖI CÕU SAU.

24. - 12 DE THI HKII E9 CU THE
12 DE THI HKII E9 CU THE
24. When I entered the room, the baby

….….…………

quietly.A. is sleeping B. slept C. was sleeping D. were sleeping