14. Over the long process of evolution, animals have developed their ______ senses, which makes it possible for them to _____ their environments.
| A．specially; conquer | B．unique; survive |
| C．uniquely; survive | D．special; exist |
The children all looked _____ at the broken model plane and felt quite _____.
| A．sad, sad | B．sadly, sadly | C．sad, sadly | D．sadly, sad |
----“This book is ______ more useful for us students.”
----“Yes, but it is _______ too difficult.”
| A．quite, quite | B．much, rather | C．rather, quite | D．quite, much |
He said he would return the money, and I was ______.
| A．fool enough to believe him |
| B．enough fool to believe him |
| C．fool enough believing him |
| D．enough fool believing him |
She looks very _____ but I can’t remember her name.
| A．similar | B．familiar | C．friendly | D．strange |
As it was almost time for the flight, all the passengers got ______ the plane.
| A．around | B．abroad | C．aboard | D．ahead |