you will succeed one day if you stick to working hard and_____your mind to find a new method.
问题描述：
you will succeed one day if you stick to working hard and_____your mind to find a new method.
A.using B.use
答
选A USING,
Stick to 接doing sth 做宾语
原句中stick to 后面的"working hard and _____your mind to find a new method"都作为stick to 的宾语,因此必须是动名词形式,选using