---- Sir, Jenny wants to know when she can leave the office. ----- Only when she ______ copying this report.
—What do you want to be in the future, Jack?—I want to be university professor(教授). It is interesting job.
---An important report about English study _____ in the Worker’s Palace next week. Can you come with me?---Sure, I’d love to.
--- Excuse me. Could you please tell me _____?---Sure.
Now more and more people are trying _____ using plastic bags, wooden chopsticks and napkins to protect the environment.
Yu Min _____ in the physics field for many years. He is called the Father of Hydrogen Bomb (氢弹之父). He in the winner of the award for Supreme Science and Technology of China,