Sally, I went to the concert last night. How big the hall is!—So it is. It is to hold more than one thousand people.

They did not find _____ to prepare for theworst conditions they might meet.

107. The Curies are best known for ____radium and they won the Nobel Prize in 1903.

Tsinghua University, ______ in 1911, is home to agreat number of outstanding figures.

He was standing there with his hand ________ his bike.