Which subject is this book ________?
A.up
B.of
C.on
D.for

We have to apply effective measures to save many plant and animal species _______ extinction.
A.on
B.from
C.in
D.for

Almost half of turtles and tortoises are known to be threatened with ____.
A.extinct
B.extinctive
C.extinction
D.extinctly

They are going to _______ the pool to 1.8 meter.
A.deeply
B.deep
C.depth
D.deepen

He picked ________ the book and turned page after page.
A.away
B.in
C.up
D.on

Who does the book belong ________?
A.to
B.on
C.through
D.for

Not many people find reading more ________ than watching TV.
A.interest
B.interesting
C.interested
D.interestingly

To become a novelist, you need to be ________.
A.imaginative
B.imagine
C.imagination
D.imaginarily

Since their appearance, books are a previous ________ of knowledge and pleasure.
A.pile
B.source
C.sum
D.amount

If you ________ a book, you have a brief look at it without reading or studying it seriously
A.dip into
B.put down
C.pick up
D.put away