In the sentence “ she rose to her feet in one swift movement ”, what does “swift” mean?

What would you like ____—Some milk, please.

North Korea threatens to ________ from six-party talksaimed at ending North Korea’s nuclear program unless its proper rights are tobe satisfied

With the help of high technology, many new substances（物质）______in the past years

To help Tom improve his English, I_______ that he take some online courses.