hurt vs. aches

[Tortoise]

1/ I think I've got_____in the stomach.
a) hurt
b) aches
My choice is "aches", right?

2/ His knowledge of languages and international replations _____ him in his present work.
a) aid
b) aids

Thank in advance.

[Pamela]

Hi Tortoise,

1.I vote for 'aches' in your first example, too.

2.His knowledge of languages and international relations aids him in his present work.