题目

Her brother ______ be at home now, because he was seen playing basketball in the stadium just now.  A. mustn’t           B. needn’t            C. can’t             D. shouldn’t   答案：C七大洲中、跨纬度最多和跨经度最多的大洲分别是（ ）A．亚洲、非洲B．北美洲、亚洲C．亚洲、南极洲D．南美洲、欧洲