主讲教师：林斌北京八十中学英语特级教师
题一：He was interested in _______ he had seen at the exhibition.
A. where B. how C. what D. which
题二：As a new graduate, he doesn’t know _______ it takes to start a business here.
A. how B. what C. When D. which
题三：_______ makes his shop different is that it offers more personal services.
A. What B. Who C. Whatever D. Whoever
题四： some people regard as a drawback is seen as a plus by many others.
A. Whether B. What C. That D. How
