根据括号中所给的汉语写出单词，使句子意思完整正确，并将答案填写在标号为46~50 的相应位置上。

根据括号中所给的汉语写出单词，使句子意思完整正确，并将答案填写在标号为46~50 的相应位置上。
小题1:The YOG volunteers go for a meeting every (星期日) these months. They hope to help the visitors from different countries better.
小题2:The sunglasses that the boy (戴) just now are broken. He will buy himself a new pair.
小题3:The （人口）of the world is increasing quickly. The earth is becoming more and more crowded.
小题4:Don’t complain about the weather, it will be much (雾) tomorrow.
小题5:You can’t imagine how (困难) he has finished his work.