So, Such Inversion

The test was so difficult that students need three months to prepare.

(a)  

It was such an expensive meal that he didn't spend any money for the rest of the month.

(a)  

She felt so tired she fell asleep on the train.

(a)  

It was such an expensive meal he didn't spend any money for the rest of the month.

(a)  

So beautiful was it that we could not sit at home.

(a)  

Such was a great question that he had to think it over.

(a)  

So suspicious did he become that he didn’t let anyone in.

(a)  

Such were high waves that swimming was dangerous.

(a)  

It was such a great demand for the tickets that people queued day and night.

(a)  

The children spoke French so well that I thought they had been born in France

(a)