The Shopping Festival in China falls on Nov. 11 _______millions of Chinese shoppers go to Tmall.com and Taobao.com.
A. when B. that C. which D. where
If I had been a little more careful, I _______the wallet behind.
A. won't leave B. hadn't left C. didn't leave D. wouldn't have left
Sally is always looking in the mirror, _______herself.
A. enjoying B. respecting C. admiring D. behaving
_______we are worried about is that air pollution is becoming much heavier in Han Dan.
A. It B. What C. Why D. Which
When _______, the new school will be open in the year 2015.
A. completed B. completing C. being completed D. to be completed
What _______shame that Tony missed _______ concert by Li Yundi in Han Dan last week.
A. a; a B. a; the C. the; a D. the; the
