是doing。
stick to (doing) sth.坚持(做)某事，此处的to为介词，后面接名词或动名词。
“stick”的搭配和用法
一、 stick to 坚持，信守，紧跟，沿着。
1、stick to one’s guns
固执己见
2、Stick to your colors.
坚持你的观点。
3、Young people should not stick to old ideas and must have the courage to innovate.
年轻人不应该拘于旧说, 要勇于创新。
二、.stick out 突出，显眼；坚持到底
1、If you dress like a tourist, you stick out as a mark for scams at the market.
如果你穿得像个游客，在市场里就会成被骗的目标。
2、stick it out 坚持下去 。
扩展资料：
stick ，英 [stɪk] 美 [stɪk]
它的基本意思是“粘贴”、“张贴”,指用胶水、糨糊、黏结剂等粘贴,也可指一个人或一个物体依附于另一个或两者互相依存,引申还可表示“卡住”“困住”。stick还可作“插入”“刺入”解,指用尖物插入、刺、戳、贯穿。
1、意思“粘贴”、“张贴”用法，to attach something to something else using a substance, or to become attached to a surface
例如：This stamp won’t stick properly. 这张邮票贴不牢。
stick sth on/to/in etc sth
例如：
Someone had stuck posters all over the walls. 有人把海报贴满了墙。
I could feel my shirt sticking to my back. 我能感觉到衬衫贴在了背上。
The oil keeps the pasta from sticking together. 油可避免意大利面粘在一起。
2、意思“插进、刺、戳、插”用法：[I,T always + adv/prep] ，if a pointed object sticks into something, or if you stick it there, it is pushed into it
The boy stuck his finger up his nose. 小男孩把手指塞到鼻孔里。
stick (sth) in/into/through sth
例如：pins stuck in a notice board 插在布告板上的大头针
stick to doing sth坚持做某事。
解析：stick to中to是介词，所以后面接动词时，需要用分词的形式，即stick to doing。
stick to意思是紧随；紧跟；呆在…近旁；坚持不变；遵守，坚持（诺言、协议、决定、原则等）；遵循（规则）。
例如：I think i'll just stick to doing it the old way。
我想我还是按老办法做吧。
动词+介词to+动名词介绍
1、admit to doing sth 承认做了某事
He admitted having stolen the money。他承认偷了钱。
2、apply to doing sth 适用于做某事
These methods apply to learning English。这些方法适用于英语学习。
3、object to doing sth 反对做某事
He objected to being treated like a child。他反对被当作小孩子看待。
4、take to doing sth 喜欢上做某事，逐渐习惯做某事
Soon he took to sleeping late。不久他就养成了睡懒觉的习惯。
本回答被网友采纳遵守,坚持 adhere to; persevere; be constant; remain determined
You must stick to your promise.你必须遵守诺言。
He had five different jobs in the last year because he never sticks to anything very long.去年他调换了五种不同的工作,因为他对什么事情都没有常性。
Whatever happens, we'll stick to our original plan.无论发生什么事,我们都不会改变原计划。
The doctors stuck to their research until they discovered how to cure the disease.医生们继续他们的研究工作,直到找到了治疗这种疾病的方法为止。
Einstein stuck to his theories and went on with his work.爱因斯坦坚持自己的理论,继续进行工作。
stick+sb/sb's+v-ing
I can't stick anybody sitting next to me when I'm reading.我看书时不喜欢别人坐在我旁边。追问
那这道题，麻烦解析一下~~~
my father always sticks （ ）to travel。
A。to drive B。driving C。drive D。to driving
D.
stick to Sth
stick to +Ving
都是表示坚持做某事
stick to driving 坚持驾车
to travel是目的状语
我爸爸总是坚持驾车旅游
或者stick to sth