President Xi Jinping （颁发） the Top Science Award to Liu Yongtan and Qian Qihu for their great contributions to science and technology in January， 2019．
我应该先和他们握手吗?
Am I supposed to________ ________ ________them first?
总共有二百名学生。
________ ________，there were two hundred students．
他已经谱写完了一首曲子。
He has finished composing________ ________ ________ ________．
假使那样的话，我也不会放弃我的梦想。
________ ________，I won’t give up my dream．
汤姆想跟着磁带说英语。
Tom wants to speak English________ ________the tape．