根据下列各句句意以及所给单词的首字母或汉语提示,写出该单词的正确形式。
1.
L______
is more than just the feeling of wanting company or wanting to do something with another person.
2.
Most Chinese parents would like their children to r______
some poems by famous poets from the Tang and Song dynasties.
3.
Ever since their quarrel,
there has been an unpleasant a______
in the office.
4.
All the students should attend the class on time if they have no special reason for a______.