甜菜堆垛机
参考答案：
将运输车上的甜菜堆成堆的设备。
--Where is your father?
---- He _____ Australia and he _____ Sydney for two weeks.
A．has been to; has been in
B．has gone to; has been in
C．has been in; has been to
D．has gone to; has been to
国内函件业务按包括信函、明信片、（）、盲人读物、邮简和邮送广告。
