The government ________ many endangered plants since they knew the situation.
A.protecting B.protects C.has protected D.protected
Parents should teach their children how to ________ challenges bravely. It's important to them.
A.decide B.control C.cheat D.face
Though the player was very tired, he still kept running ________ the finishing line.
A.towards B.with C.during D.behind
There are many different kinds of ________ animals in danger. We must try our best to protect them.
A.clear B.wild C.ugly D.long
While coming into a new class, you'd better ________ yourself first to let others know you.
A.avoid B.compare C.expect D.introduce
The government is making a lot of efforts to improve the living ________ of farmers in the countryside.
A.results B.conditions C.chances D.styles
