If you don't feel well, you can be _______ from school.
A:present
B:absent
C:strict
D:unfriendly
如果一个式子与﹣3ab的积为﹣34a2bc,求这个式子.
Of the two pairs of jeans, I chose _____ one because I hadn’t enough money on me.
下列有关宗教的材料,符合伊斯兰教教义的是( )