Do you consider yourself a rude person— not. I always have good manners.

Security devices at airports are ______ to spot weapons that could be used by terrorists.

You’re coughing badly，Martin. Why not give up smoking?—Give up smoking？Easier said than done，Amy. Once you ______ the habit of smoking，it is very hard for you to ______.

There is a general but false assumption _____ intelligent people do better in life.

My daughter nearly set the chicken on fire when cooking some dishes—You can’t stress ______the importance of using the fire