A. into B. from C. in D. at
A. to go B. go C. going D. went
A. as soon as B. until C. since D. for
A. that B. which C. what D. where
A. mouse B. keyboard C. Internet D. computer
A. introduce B. invent C. interview D. interest
A. surfing B. to surf C. surfed D. surf
A. playing B. to play C. on playing D. play
A. No, no need B. Yes, you needn’t C. OK, go ahead D. Thanks
A. got along with B. fell down C. caught hold of D. got on with