英文文法題

Muscles _________ bones by pulling on tendons.
a)of moving b) move c) moving d) to move

答案是d 為什麼,答案有錯嗎?
A report has not been _________.
a) come out b) forthcoming c) resulted d) publising

答案是b請問為什麼a c不行?
1 個解答 1