Điền dạng đúng của từ trong ngoặc

Điền dạng đúng của từ trong ngoặc: 
1.The firm has (computer) ... its records .
2.Buy three and make a (save) ... of 55p.
3.Scientists have established a (connect) ... between cholesterol levels and heart disease.
4.She couldn't hide her (amuse) ...at the way he was dancing .
5.He is the official (challenge) ... for the world championship title.
6.They have had several (agree) .. wih their neighbors.
7.After a few minutes our eyes got used to be the (dark) ...
8.There are no (restrict) on the amount of money you can withdraw.
9.These documents are not (access) .... to the public.
10.Our immediate (require ) ... is extra staff .