10.-Have you been to the Great Wall?
-Perhaps not in my memory. _______ , it might have been during my early childhood.
A.If any | B.If ever | C.If so | D.If not |
His parents are very concerned about his son at school because he _______moving in his seat.
A.is always keeping | B.always keeps | C.does keep | D.has always kept |
--- _____ the population of China? --- About 1.3 billion.
A.What is | B.How many are | C.How much is | D.What are |
We look forward to the day when motorcars will be replaced by some less dangerous ____ of transport.
A.means | B.methods | C.manners | D.ways |
Mother _________father to give up smoking, but she failed.
A.persuaded | B.tried to persuade | C.suggested | D.to tell |
— Hey, buddy, let’s go, remember the movie, Up(飞屋环游记)?
— Sorry, I’m busy .How about ________ ?
A.every other day | B.the other day | C.any other day | D.a rain check |