I am so young that I can't drive.等于什么?

I am afraid that I can't 中的that can't 在句中做什么成分 the boy is so young that he can't drive a car.句型转换, The boy is so young that he can’t drive acar（改为简单句） The girl is so young that I can't leave her____.A by myself with so much luggage — tonight ,i am afraid that i can't hav 同义句：I am so tired that i can't walk any longer I am so busy that I can't finish/finishing my homework 1.I am so tired that I can't walk____.(A) any farther (B) ev I am so excited that I can't say a word.的同义句. I am afraid that I can't 中的that can't 在句中做什么成分中间有am i am so sorry i can\'t see any information i'm so weak that i can't walk am further 同义句I'm not___ ____