问题详情：
1．They are （专心）themselves in the experiment in the lab.
2．Come and see me whenever it is （方便的）for you.
3．The UK （由……组成）of four countries attracts visitors all over the world.
4． （接触，暴露）to English for about six years, she can speak English fluently.
5．To her d （高兴）, Zhang Pinyu is leaving London for Winsor Castle.
1 2 3 4 5
【回答】
1．Absorbing 2．convenient 3．consisting 4．Exposed 5．delight
知识点：其他
题型：单词拼写
