－Why are there a lot of dead fish inthe river －Because they were ______ by the polluted water. A.caught B.poisoned C.burned D. protected

Why not buy him _______ MP4 as_______birthday present since he likes music

With the plane ________，some passengers on board feel sick and want to throw up.

Did your parents go to the museum yesterday —No. We ______stayed at home watching TV.

（2016 江苏卷）Parents should actively urge their children to _________ the opportunity to join sports teams.