5. Emma is on holiday, so I ... after her cat until she returns a. look b. am looking c. have looked d. looked 6. David... of dressing up as a pirate for the Halloween party next Sunday c. is thinking d. are thinking a. thinks b. think 7. Can you have a look at Ann's computer? She ... to fix it all morning and it still doesn't work b. has tried c. tried d. has been trying a. tried 8. It ... have been John who answered the phone last night; I know there was no one else at home d. may c. can b. must a. might 9. Susan ... abroad before and she was very excited before her first trip to Europe b. was never c. had never been d. was never being a. has never been 10. I will never forget ... Saint Petersburg for the first time c. visiting d. visited a. to visit b. visit 110