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,

The meeting is beginning at 8 o’clock _____, let’s make some preparations for it

_____ their inexperience, they’ve done a good job

Mr．Anderson is popular with his students, for he is kind, strict andknowledgeable．—No wonder he has such a good ___．

Peter was so excited __________ he received an invitation from his friend to visit them.