It was remarkable of man to invent the wheel because ______ .
A.it led to many other inventions
B.man had no use for it then
C.there were no wheels in nature
D.all of the above
The YMCA training school officials asked Naismith to invent a new game because ______.
A.People didn't have enough outdoor exercises in the winter
B.basketball would become popular among the young people
C.they hoped that would attract more people to their school
D.kicking the ball or hitting it would be too rough for indoors
A. take up
B. make up
C. look up
D. keep up