The young has over twenty .
| A．inventor, inventors | B．invention, inventions |
| C．inventor, inventions | D．invention, inventors |
The boy _____ glasses keeps a certain distance to us.
A. in B. wears C. with
“ We will provide the best ____ for you.” The sentence means that we will try our best to _____ you.
A. serve; serve B. service; serve C. serve; service
The jeans _____ fit for me. Maybe, the pair of jeans ____ fitter for me.
A. are; is B. is; is C. are; are
_____ are necessary for everyone.
A. Cloth B. Clothes C. Clothing
How about the _____’s quality?
A. produce B. product C. production