715.It is worth considering what makes convenience foods so popular,and ______ better ones of your own.
A.introduces
B.to introduce
C.introducing
D.introduced
716.There is nothing more I can try ______ you to stay,so I wish you good luck.
A.being persuaded
B.persuading
C.to be persuaded
D.to persuade
715.答案是C;根据语境，consider与introduce并列，故用v.ing形式作为形容词worth的宾语使用。
716.答案是D;try to persuade，尽力去说服;try to do sth.尽力去做;try doing试图做…
