You are supposed to put r___________(垃圾)into dustbins wherever you are.
In Western countries, people use k___________（刀）and forks instead of chopsticks.
You can’t depend on her, for i________ (例如；举例), she arrived late yesterday.
I wonder if my favorite player will a__________(出现) in the match tonight.
The young trees must be w_________(浇)three times a week.