Many a student ________ failed in the biology exam，and Tom is the only one of them who ________ decided to give up the course.
A．have；has B．have； have C．has；have D．has；has
— I hear Jane was knocked down by an electric bicycle and sent to hospital.
— _______, we should go and see her immediately.
A. If so B. If necessary
C. On condition that D. Believe it or not
The books by Mo Yan are so popular that they are in great _______.
A. quantity B. progress C. production D. demand
Little _______he was saving every penny he earned in order to go to a fashion school.
A. the parents did know B. did the parents know
C. knew the parents D. the parents knew
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
