He fail to catch the train.He fail to lift the rock in spite of all his exertion.请问这两句话fail为何不加s?

He fail to catch the train.He fail to lift the rock in spite of all his exertion.请问这两句话fail为何不加s? fail to do sth的同义词组是什么?.别跟我说fail in doing sth啊.he failed to catch the early bus this morning.(改为同义句)He _____ ______ to catch the early bus this morning. he studied hard ONLY to fail in the exam 意思? fail to reach or catch是哪个词语的意思 He had to run fast ( ) catch up with the bus. He ran ___(swifter) to catch up with the thief He did‘t run _____ _____ to catch the bus. if he is not r____,he may fail to pass the test he ran fast to the underground.he wanted to catch the last train(合并成一句）he ran fast to the underground___ _____to catch the last train He was not the only one to fail the exam 为什么是对的 The boy didn't pay much attention to the exercises and he ______(fail) The boy ran to catch the bus(改为同义句）The boy ran ---- -----he could catch the bus. He was surprised to fail in the math exam.(改为同义句） He put on his thick coat to catch the old coat.问一下是“to catch”吗为什么是“to catch”?翻译一下句子 19.To _____ with his lessons,he’ll have to work all through the summeB.catch up C.catch r. 19.To _____ with his lessons,he’ll have to work all through the summer.B.catch up C.catch never fail to seize the day中fail是什么意思 He was surprised to fail in the math exam.(改为同义句）He was surprised ( ) ( ) ( )the math exam.