They think wolves are dangerous _________humans so this leads _______the danger of wolves.
A. for; toB. as; for C. to; to D. at; in
Wolves often work __________a team and they never kill for __________.
A. as; funnyB. for; funC. as; funD. for; funny
We should tell hunters _______tigers.
A. don’t killB. not killC. killingD. not to kill
Yesterday I talked to Amy on the phone and she ______ happy.
A. lookedB. soundedC. smelledD. tasted
Can you tell us how important wildlife ___ is?
A. protectB. protectorC. protectionD. protected
There are ________ bears on the earth because they have ____________ space on it．
A. fewer and fewer；less and lessB. more and more；fewer and fewer
C. less and less；fewer and fewerD. more and more；less and less
