“It was Pan who encouraged Lu to do his PhD work at the University of Cambridge and convinced him to return to China with the promise that the government is investing heavily in quantum information technologies, and that bright young physicists co...
Former President Bill Clinton addressed the 18th International AIDS Conference in Vienna Monday. He said while much progress has been made in the fight against the epidemic, much more needs to be done, including on human rights. Mr. Clinton was the...
有些固定词的搭配出现时,也要用一般过去时,如would/used to do:表示“过去常常...”。 例:He used to visit his mother>他以前总是每周看望一次他的母亲。 03过去完成时(had done) 表示在过去的某个时间或动作以前已经发生的动作或已经存在的状态。就是大家常说的"过...
例:She is to be seen in the lab on Monday. 星期一你准会在实验室见到她。 b) 该做或不该做的事情(语气上接近于should, must, ought to, have to),表示一种命令、规劝性语气。 例:You...
28.It ___ around nine o'clock when I drove back home because it was already dark. A) had to be B) was to be C) must be D) must have been 29.If you act ___ the doctor's advice ,you won't get well again. A) aside from B) contrary to C)capable of D) p...
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