各国合同法均认为普通的商业广告一定不是有效的要约。( )
参考答案:对
一页稿纸一行有18个字,一共有22行,一页稿纸大约能写( )个字。
Lucy is a(n) student, she answers the teachers’ questions in her class.
A.more active; more actively
B.active; more actively
C.more active; the most actively
D.active; the most actively