下列诗句中划线词解释不完全正确的一项是（ ）

My son came up with the ideathe family get together for a meal everytwo weeks．

____ you work, ______ knowledge you’ll get.

People exposed to radiation are more_______ to suffer from certain forms of cancer, which can be ______ but can’t be ______at present [ ]

MrBlack rewarded the girl _____ $20 _____ bringing back the lost wallet[ ]