——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
下列某城市是中国近代史上最早被迫开放的五个通商口岸之一；改革开放后，这个城市又是最早的四个经济特区之一。该城市是
8.06立方分米=____毫升
34 时=____分50立方米7立方分米=____立方米．
