She devoted as much time as she could ____________ others.

下列各项中，字形全都正确的一组是（ ）

Memorizing the words of pop songs______one of the greatest ways to learn more English.–Yes. And I’ve learned _______that way.

____ the flight to New York will be delayed is _____ I’m especially worried about．

Mrs White showed her students some old maps ________ from the library[ ]