1) He is absent because of illness.
他因病而缺席。
2) He is absent because he is ill.
他因病缺席。
3) They were absent because of sickness.
他们因病缺席.
4) He alleged illness as the reason for his absence.
他称病缺席.
5) He is absent on business.
他因事缺席。
6) Her absence is due to illness.
她因病缺席。
补充资料：他们
1.代词。称自己和对方以外的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条