1．Don't lose your sense of ________(幽默)，because it makes your speeches really impressive.
2．I was surprised that ________(贯穿)our whole visit to Australia we only saw one kangaroo.
3．I would always keep my distance from drinkers on social ________(场合)．
4．Liu Wei, the famous armless piano player, has succeeded in having an ________(杰出的)career.
5．Sadly, the man was soon ________(无家可归的)and unable to find a job.
