Ⅰ.用适当的介、副词填空
1．________ a result，I suffered ________ “time lag”．
2．So I was very nervous and uncertain ________ first.
3．Well-known ________ their expertise，his parents’ company transported me safely ________ the future ________ a time capsule.
4．He handed it ________ me and immediately hurried me through ________ a small room nearby ________ a rest.
5．Soon I was back ________ my feet again and following him to collect a hovering carriage driven ________ computer.
6．These carriages float ________ the ground and ______ bending or pressing ________ in your seats，you can move swiftly.
7．However，I lost sight ________ Wang Ping when we reached what looked ________ a large market because ________ too many carriages flying ______ ________ all directions.
8.He was swept ______ ________ the center ________ them.
9．Then Wang Ping flashed a switch ________ a computer screen，and a table and some chairs rose from ________ the floor as if ________ magic.
10．Exhausted，I slid ________ bed and fell fast asleep.
