She couldn't ____ her words ____by the students.A get ,uderstandingB get ,undertsoodC make ,to uderstandD make ,understand 答案是B ,为什么?理由~

he was ___tired ____ he couldn't go on working He tried ____(catch)the cat,but he couldn't She couldn't understand what he said.There was a p____ expression on her face.____填什么? she couldn't help ____(smile)at the words. I couldn't swim when I was yong.She couldn't,____ .怎么填? she couldn't solve the problem alone(改同义句) She ___ ____ ____ solve the problem ____ ____ . He couldn't hear anything when he was born(同义句） He was ____ ____ ____ She thought of ____ friends in China and she couldn't speak one English word. 用sleep的适当形式填空（sleepy,asleep,sleep,sleeping）1.She was fast ____ .I couldn't wake her up.2.He is so excited that he can't go to ____. He couldn't finish the work yesterday 同义句转换He ____ ____ ____ finish the work yesterday. she couldn't find her He ____(seem) very happy because he couldn't help smiling.请讲出理由 He was very tired .He couldn't move.(改为同义句)He was ___ ____ ____ move。 ____,she couldn't fall asleep.A.Excited B.Being excited 请说明原因~ 65.Anne couldn't concentrate ____ what she was doing while her family were watching TV. She couldn't help ____(cry) 应该用什么形式来填? He couldn't come back today 谢He couldn't come back today.He ____ ______to come back today.同义句 she couldn't fall asleep because of too much noie outside.（改为同义句） she couldn't fall asleep because ____ was much too ____outside