Keys ______ used for ______ the doors.
A. is；opening B. is；opened
C. are；opening D. are；opened
---Fights in action movies have a bad _______ on teenagers.
---I agree with you.
A. habit B. opinion C. lesson D. influence
---How do you like our new teacher?
---Very _______. He often says something funny to make us laugh.
A. helpful B. humorous
C. popular D. outgoing
---How do you study for a test?
---I study by .
A. practice with my friend B. ask for the teacher
C. working with a group D. laughing at the others
---Could you tell me how to get to the Yellowstone National Park from here?
---______. Maybe you can ask the policeman over there.
A. A piece of cake B. That depends
C. I don’t care D. Sorry, I’m new here.
I’ll finish the job, _____ how long it takes.
A. until B. unless C. no matter D. even though
