请在横线中填入相应的字母,根据第一个字母写出单词 (1) I can see a b___ desk in the front of the classroom (2)There is some chalk i___ them.were a____ the brooms? 植物叶子向有阳光的地方长是对___环境的一种适应? 若每一排的座位数是a,并且后一排总比前一排的座位数多一个,则多媒体教室里第m排有多少个座位
(1) I can see a (big) desk in the front of the classroom.不知你们课本中学了哪些词,这里也可能是black,blue(2)There is some chalk (in) them.Where (are) the brooms?最后是一个问句,你打错了,学习要细心还会进...