The bus crashed into a truck in front of it, ______ 40 deaths and more wounded. 

We students should hunger_____ knowledge and_____ ourselves with knowledge for the competition nowadays is very fierce.

.What some teenagers don’t realize is ____ difficult life can be if they get addicted to drugs. 

Sarah hopes to become a friend of _____________ shares her interests.

 _____ by the clear waters, this forest provides visitors with a wonderful chance to see some endangered native birds in the wild.