A. 放大器盒 B. 记录装置 C. 刺激器盒 D. 显示器
A. 对 B. 错
A. they watch filems with friends once a month. B. they go shopping every week. C. or they have lunch with friends D. all above
A. 信汇 B. 票汇 C. 电汇 D. 汇款