将下列句子改为同义句
1.Why do you send her flowers?
___ do you send her flower _____?
2.They came here three days ago and lived here since them.
They ____ already _____ here for three days.
3.Jim bought an MP4 yesterday.
Jim ____ ____ an MP4.
4.Remember to shut down the computer.
____ ___ to shut down the computer.
5.I bought a CD last week.
I ___ ____ a CD for a week.