Mike used to be a top student, but he______ behind since he lost himself in computer games.
A. fell B. has fallen
C. was D. has been
---Jenny，will you leave for the USA now?
---No. It will be two weeks________I leave here.
A. until B. since C. before D. when
Life is a journey with trouble, but with care and wisdom you can_____any problem you face.
A. work out B. hand out
C. find out D. put out
---Could you tell me the_______of making such tasty cakes?
---Well，I just follow the instructions in the cookbook.
A. time B. method C. cost D. menu
---Don't you think it______ of some teenagers to be crazy about pop stars?
---Well, I don't think so. We were once young and had the similar experiences.
A. creative B. silly
C.wise D.curious
--Would you like to visit the zoo with me now?
--Sorry. It's_____the visiting hours. Let's go there tomorrow.
A. on B. over C. during D. beyond
