一、单选
1. I met my old friend when I __ to hotel.
A. Go back B. come back C. went back D. come
2. The man sat ___ the bus.
A. at the back of B. at back of C. after D. in front of
3. At last , they were ___ in the match.比赛
A. shoulder and shoulder B. hand in hand C. neck and neck D. step by step
