请根据括号中的中文提示、英文释义或句意，写出句中所缺单词，使句子通顺。
（1）We students should do many after-school____ (活动).
（2）People in different countries speak different l____ .
（3）It's ____ (hard or not easy) for me to play basketball well because I can't run fast.
（4）This boy doesn't know the____ (重要性) of study.
（5）L____ , he wasn't badly hurt yesterday.

The bus is coming. Oh, my God! It's full. I'm afraid we can't ________ it.     

如图是地球公转到某位置和此时地球上昼夜状况示意图（阴影部分表示黑夜），读图回答问题．
 
此时，M地的状况是（ ）