J.K.Toys company will launch Dealer Dan on January 20th. “launch” here means  makes the toy  available to the public. 

I’m afraid our office is closed until nine o’clock tomorrow morning. This sentence means our office will be open after nine o’clock tomorrow morning. 点击查看答案&解析

Could you charge it to my room? “charge” here means to add it to his account so he can pay for it later. 点击查看答案&解析