His aunt wants to have him _______ the radio, but he has had it ______ already.

How many workers are there in your factory, Mr Brown—________ workers in our factory _________2000.

The child is much too young; I object ______ him aloneat home.

I travelled in Mountain Tai, I was deeply impressed with its beautiful scenery.

Madam Curie, ________life had once been very hard, was given two Nobel Prizes.[ ]