Designers are experimenting with a new material______ flexibility and lightness.
Supporters of free-market globalization point out that_____________________ .
There has been a great increase in retail sales,_____________________ ?
The packages___________________ so that it would be easier to carry them.
_______ has been a topic of continual geological research.
The pool should not be made so deep______small children can be safe there.
______ his brother, Mike is active and friendly.
We all agree that she is____________________ student in our class.
Education in many countries is compulsory________the age of 16.
She asked me______I was looking at.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "