The little boy, out of curiosity, _______ the toy to see how it worked, but couldn’t put it together.
_____ all the inventions have in common is ______ they have succeeded.
-We want someone to design the new art museum for us. -_____ the young fellow have a try?
- When he was a little boy,he ______ on the farm.
I’ll give the prize to _______ finishes the work first.
In the 16-19 age group,32 of women smoke ______ 28 of men.