to agriculture , the new technology will increase grain production.
Patience is a kind of quality—and that is ____ what it takes to do anything well.
— Susan, go and join your sister cleaning the yard.— Why ___? John is sitting there doing nothing.
The teacher doesn’t permit ________ in class.
If you keep on writing, you will have brighter future, likely to become J. K. Rowling.
The reason ____the little actress has been such a success is ____she is both clever and hard-working.