As a doctor，I that I will be kind to my patients，love them and do my best to save their lives. That is my promise.

Parents _____ much importance to education. They will do their best to give their children thatpriceless gift.[ ]

Jingdong is a popular online shopping website, ______varieties of items at low prices.

We laugh at jokes, but seldom __________ about how they work.

How old is she — __________.