句子成分练习题时间:40分钟 满分40分1、 指出下列句中主语的中心词(4分, 4分钟) The teacher with two of his students is walking into the classroom. There are a lot of banana trees on the island The useful dictionary was given by my mother last year. To do todays homework without the teachers help is very difficult.2、选出句中谓语的中心词(10分, 10分钟) I dont like the picture on the wall. A. dont B. like C. Picture D. wall The days get longer and longer when summer comes.A. get B. longer C. days D. summ