--- __________ is the cost of the trip to Nanjing ? --- About forty yuan per person. A. How B What C. How many D. How much
Leaves fall _______piles ________the ground
They think wolves are dangerous _________humans so this leads _______the danger of wolves.
Wolves often work __________a team and they never kill for __________.
We should tell hunters _______tigers.
Yesterday I talked to Amy on the phone and she ______ happy.