问题
选择题
Soon, his warm, inviting smile put me , and spent the next two hours talking casually.
A．at attention
B．at ease
C．at best
D．at a loss
答案
答案：B
短语辨析。A.立正 B. 舒适 C. 最多 D. 困惑不解。句意：很快他灿烂热情的微笑让我感到舒适起来，在接下来的两个小时里随意的聊着，故选B。