1.
b.It was sent to the wrong address
c.We sent it back
2.
a.Maria taught her son the way to use the crosswalk for the first time
b.She was taught by her parents when she was six
3.
a.The pickpocket almost disappeared into the crowd
b.He was caught by an alert police officer
4.
a.Tony cut down a dead tree
b.Fortunately,no one was hurt
5.
a.Something very sad happened yesterday
b.A deer was hit by a truck
c.It was killed instantly
d.It died instantly
The End.
