He _____in Xinxiang for five years when I heard his news.
It’s careless ________ him to make the same mistake again. I think it important ________ him to be more careful next time.
We knew little about Shu-How Lin, a basketball player from New York Knicks, _______ we watched the basketball matches in NBA.A. until B. if C. so D. because
---He seldom revised for exams, ___________ he? ---___________. He always got low marks in exams.
There__________ large areas of rice fields in our hometown.
_______ of the students in our class _______ interested in micro blogs (微博) on the Internet.