Which is right? complete the sentences. 1. /washed/have washed) our bikes. they are clean. 2. /saw/have seen) the film two years ago. 3. this is /more difficult/most difficult) exercise i have /did/done). 4. this is /better/best) house i have /saw/have seen) 5. not sleep/have not slept) well last night. 6. i /to cook). i /to cook) well 7. what (a/the/-) beautiful hotel! 't/have /stayed) in /the/-) beautiful hotel! 8. /am thinking) you are /better/best) football player ever met/ever met/ever meet).