单词检测(共10小题；每小题1分，满分10分)
根据下列句子所给汉语或对话情景，写出空白处各单词的正确形式。每空只写一词。
Lisa’s baby is eight months old and she has two       (牙齿)now．
When I was abroad for further study ,I       (想念)my family very much．
I bought a football as a present for my son’s       (第十二)birthday．
The whole family was filled with       (悲伤)because of the car accident．
Can you show me those       (邮递员)bike?
         (既然)there was no bus，they had to walk home．
We’ll be able to finish the project         (容易)with their help．
一Kitty is so slim．
一As a dancer，It’s very important to stay in         ．
一The worst sandstorm of the year       Beijing yesterday．
一Yes !The sky turned yellow and people could hardly see things close up．
一You live on the fourth floor．What about Rodger?
一He lives on the second floor，two floors        me．