四川省邮政编码的前两位是(61、62、63、64)。(三级)
参考答案:对
—Susan, why are you still here? They are all ready to start.
—I'm sorry, but I ________when to start. [ ]
A. was told
B. told
C. tell
D. wasn't told
()是水平轴风力发电机组顶部内装有传动和其他装置的机壳。