Parents usually _______ a role in _______ their kids.

do you eat vegetables?——Every day.

.在字母表中,______和______ 两个字母可以单独成词。

If you still have a problem,you can ask the police ______help.[ ]

Mum, Mary bought a pet dog yesterday. Could you please buy __________ for me? — Sure. But you must look after it yourself.