I can’t find my ticket. I think I must have lost_____.

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,

Mr. Smith invited me to attend his wedding ceremony, but _____ seriouly ill, I refused his invitation. [ ]

Parents are taught to understand ________ important education is to their children’s future.

In front of our housemany beautiful flowerswhen my grandparents were still alive with us