This means that, unless you say ________, no one can perform a piece written by you or make copies of it without your permission.

Now many young people ________posting articles and photos onto the Wechat (微信) to share with their friends.

the high-speed train crash, Chinese President Hu Jintao and Premier Wen Jiabao _____ “all-out efforts” to rescue injured passengers.

________of stealing money from the bank，he was being questioned by the police[ ]

members of a team perform better,the trainer first of all has to know their ______________ and weaknesses.