___________ they have some opposite views, they all think Chinese medicine is helpful. A. Until B. Although C. Since
This magazine ______ out _____ the morning of March 1st.
The old man was seen _______ in the park at 7:00 a.m. yesterday.
______ a host of the show is really ___________.
--- Where is your mother? --- She has ______ to Sichuan on business. She has ______ there four times recently.
It ____ over 10 years since my grandpa _______.