Tiếng Anh Lớp 12: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. The phone suddenly _______ while Joanna ________ the housework. A. rang – did B . was ringing – did C. was ringing – was doing D. rang – was doing, giúp em giải bài này ạ, em cảm ơn thầy cô và các bạn nhiều.
