下面与B发音没有相同音素的是_______。A. Cc B. Ff C. Dd
Boys and girls, I have _________ to tell you.
You don’t look ______ today; you’d better go to see the doctor.
It ____about 15 minutes ____the theatre.
Do you come here ____your car?
---_____must I take this medicine every day? --- Three times a day.