Every book ______ from the library should be returned on time．
| A．borrow | B．to borrow |
| C．borrowing | D．borrowed |
The home ________ the lion is Africa while the koala bear is native ________Australia.
| A．of；of | B．to；to |
| C．of；to | D．to；of |
You can't see anything clearly through a telescope unless it ________ correctly to
your sight.
| A．adjusts | B．is adapting |
| C．adapts | D．is adjusted |
The special medicine for the disease was difficult to find though ________
everywhere.
| A．sought | B．having sought |
| C．being sought | D．having been sought |
So many problems ________， he is having a difficult time.
| A．settled | B．to settle |
| C．settling | D．are to settle |
The book is so ________ that everyone who has read it will ________ it.
| A．fascinating；be fascinated by |
| B．fascinating；fascinate |
| C．fascinated；be fascinated with |
| D．fascinated；fascinate |