One of my classmate_______Daniel and________ to clean the bl

One of my classmate_______Daniel and________ to clean the blackboard.
A ask I B asks I C ack me D asks me
这题特别不懂.请说明一下理由.
用适当的介词填空.
She swims ________ half an hour __________ the swimming pool ________her home.
主要是最后一空.
My best friend talks __________me _________the phone________weekend.
__________a cold morning,I meet one of my friend.]