Fill in : can't , might, must or could I wonder where Paul is. He 1). ........ be at work because he never works on a Sunday .. He 2)............ be at Sally's, but i doubt it because they haven't been speaking lately. I wonder if he 3)........... at this cottage in the country . No, he 4)........... be because he told me they've rented it to someone else for the summer. He 5)............. have gone bowling, but i'm almost sure he told me he'd got tired of it . I know he 6)........... have gone swimming,because i remember him asking me if i wanted to go with him