Are these sentences right?
The government devoted one million dollars on the improvement medicine.

It seems to me somebody was rummaging in my bag while I was away.

Let's talk about another things.

Four persons can ride in the car.

What's title of the book you are holding in your hands.

Question

Are these sentences right?
The government devoted one million dollars on the improvement medicine.

It seems to me somebody was rummaging in my bag while I was away.

Let's talk about another things.

Four persons can ride in the car.

What's title of the book you are holding in your hands.

Answer

The government devoted one million dollars to the development of better medicine.

It seems to me somebody had rummaged  my bag while I was away.

Let's talk about other things.

Four persons can ride in the car. ok

What's the title of the book you are holding in your hands?