主讲教师：张志强北京市英语特级教师
题一：
Experts believe __________ people can waste less food by shopping only when it is necessary.
A. why B. where C. that D. what
题二：
A. how B. that C. which D. where
题三：
_______ one of you breaks the window will have to pay for it.
A. Whoever B. Whatever C. Whichever D. Wherever
题四：
It’s good to know _____ the dogs will be well cared for while we’re away.
A. what B. whose C. which D. that
