I always______the teacher carefully,but I
I always______the teacher carefully,but I
I____my teacher carefully,but I can't _____her.
39.I listened carefully,but I heard .
I listened carefully but I heard
I (始终)listen to the teacher carefully
改错I listened carefully,but nothing heard.
I __ very carefully,but I can ____ nothing.
I listened carefully but I heard anything.(改错)
I think the teacher must( )carefully in class first.
选 择 ------ her carefully ,but I --- --nothing .见下面补充
I _ carefully ,but _nothing.大概意思是什么
but I n____ to listen very carefully to understand it