____, he couldn't keep his eyes ____.A. Tired as he was... open B. As he was tired...open C. Tired as he was... opened D. As he was tired...opened 答案是B, A错在哪里?

he was ___tired ____ he couldn't go on working He tried ____(catch)the cat,but he couldn't He couldn't hear anything when he was born(同义句） He was ____ ____ ____ He couldn't finish the work yesterday 同义句转换He ____ ____ ____ finish the work yesterday. 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。 He couldn't come back today 谢He couldn't come back today.He ____ ______to come back today.同义句 He couldn't work out the math problem.(改为同义句) He ____ ____ ____work out the math problem. He couldn’t go there.I want instead.同义句转换：I want there ____ ____ ____ . He couldn't come here.Something happened ____ him yesterday.A.toB.onC.aboutD.with He couldn't hear anything when he was born .(改为同义句） He was ___ ____ ___. He couldn't hear anything when he was three(同义句）he was______ ______ ______ ____ _____ three. He couldn't play with candles.I couldn't e . ____ he ____ hard in those days,he ____ so much progress now.a.Hadn’t,been trained,couldn’t makeb.Had,not been trained,couldn’t make请问A是否也行?若不行写出理由. sometimes he couldn't make complete sentences 改为同义句 he ____ make complete sentencessometimes he couldn't make complete sentences 改为同义句he ____ make complete sentences sometimes he couldn't make complete sentences 改为同义句 he ____ make complete sentencessometimes he couldn't make complete sentences 改为同义句he ____ make complete sentences He couldn't pass the maths exam.(保持意思不变)He ____ to pass the maths exam He ____　read ______ write at the age of three.A.can't;and B.couldn't;or