购物促销是建立在游客“______购买______购买”的基础上，导游人员不能强迫旅游者购物。
参考答案：愿意 需要
According to the traffic rules, everyone is supposed ______ a seat belt in the car. [ ]
A. to wear
B. wearing
C. to be worn
D. wear
五号的优点体现在（）。
A.不喜欢表现
B.擅长与人打交道
C.做事细致认真
D.情绪激昂积极性高
