my mom () carefully,but she () nothing

my mom () carefully,but she () nothing 单项选择： She ... carefully , but shi ... nothing. 改错I listened carefully,but nothing heard. Tom ______ carefully,but he________ nothing. She cares for nothing but depressing my heart. My mom ( ) a teacher,she ( He ____ the radio carefully,but he ____ nothing. 选 择 ------ her carefully ,but I --- --nothing .见下面补充 I __ very carefully,but I can ____ nothing. But my mom does.是什么句? Nothing Helen says is ever ____ ,She always thinks carefully She is tall( ) (like) my mom.