s the content of a book, _____the editor alsocares about is the number of readers

Scientists are still ______ a cure to cancer. [ ]

1–Iwonder if I can win the English Speech Contest.–! It’s really a good chance.

Practicing Chinese Kungfu can not only _____ one’s strength, but also develop one’s character.

e it or not, your ship isn’t quite sunk, as there are some ways to ________ a new career even if it’s something you’ve never done before.