New technologies have made ____ possible to turn out new products faster and at a lower cost.
________ are Bob's grandparents and they are very nice.
Have you got any books on English grammar? I want to borrow______.Yes, here you are. But you must return it by Friday.
---Is_______ necessary to learn another language? --- I think so.
I think important for us to learn a foreign language well.
What are _____________?-----They are apples.
