Danny often helps me _____ my English and I help him to learn Chinese.

has an internal clock that regulates thebeating of our hearts, and the ______ of our breathing

It was careless of you to the story that hisrich relative would pay you the debt.[ ]

Darling, what’s up —–Could you think of a way to make Tony _____

______the Shouxihu Park, please turn right after you _____ the bridge.