It was 80 years before Christopher Columbus crossed the Atlantic______Zheng sailed to East Africa
Zhang Hua is clever and works hard at his lessons. __________ .
They left here early and ________ by now.
She’s developing into someone who’s going to become very poor and require ______.
Information has been put forward ____ more middle school graduates will be admitted into universities.
More than one student ______ J. K. Rowling’s Harry Porte so far.