知识面广的同学进Is it necessary for people to combine their efforts

It is necessary for people to make a call It is necessary for sb to it’s necessary for the younger people to visit t Professional people appreciate __ when it is necessary to ca 英语辩论hardship is necessary for young people to be mature反方的攻击 it is necessary for me to take a taxi中用动词来代替it is necessary It is necessary to give ___of their spare time to their stud It is necessary to do 的例句 Is it necessary for sb to do sth 同义句 It is necessary for you to finish the work today It is necessary for me to have some help 翻译 It is necessary for you to help each other.