Please keep the secret to ________, children! Don’t let anybody else know it.

The doctor finally gave up the ____ ofmedicine for full – time writing．

It is said that Tom’s brother fell off his bicycle on his way to work, _______ in the right leg

26．Newly-developed materials for spaceships can______extreme weather conditions.

I ________ a novel written by Ernest Hemingway last night, and another night I’ll finish it