选用下列介词填空after about to for of inTry your best to get rid ___

选用下列介词填空
after about to for of in
Try your best to get rid _____ all these bad habits.
I have to look _____ my daughter while my wife is away.
We can use computers _____ many ways.
Mr.Smith is a man of _____ thirty-five years old.
You must apologize _____ your teacher when you are late for class.
The soldier could watch _____ the enemy on the watchtowers on the Great Wall.
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