吐酸的主要病机是
A．麻子仁丸B．更衣丸C．三物备急丸D．润肠丸E．五仁丸
参考答案：A
---Do you have any news about Bob?
---Yeah. We ______ each other quite a lot recently.[ ]
A. have been seeing
B. had been seeing
C. see
D. have seen
日本ではロボットの研究がたいへん（）います。
A.すんで
B.すすんで
C.すずんで
D.ずすんで
