Помогите пожалуйста с заданием.
These are confused pairs of words. Choose the correct alternative for each sentence
1. ACCEPT / EXCEPT
a) We found everything .........the right document.
b) We could not....... the explanation.
2. ENSURE / INSURE
a) Our new research strategy ......that we get the best possible results.
b) This policy ......you against theft and fire damage.
3. PRINCIPLE / PRINCIPAL
a) The .......reason we didn't pursue it was the cost.
b) We didn't want to continue the case, mostly because of......... .
4. PERSONNEL / PERSONAL
a) Many of her .......belongings had been stolen.
b) Smith’s company has a ………… problem: their employees want a 20% pay
increase.

1) a - exceptb - accept2) Слова подходят по смыслу в таком порядке, но сами предложения некорректныеa - ensureb - insure3)a - principalb - principle4)a - personalb - personnel