Mr. Brown was sentenced to 10 years’imprisonment for______ murder.

Look!He’s running so fast!—Hard to _______ his legs were once broken

Do you like sports a lot—Sure. And I’m our school basketball team.

He left his key in the office. It made him _________in the cold to wait for his wife.

The research on the new flu virus vaccine ischallenging and demanding. Who do you think can do the job—____ my students have a try