They ......... (visit) museums for two hours. 1. have been visitting 2. have been visiting 3. have been not visiting 4. has been visiting The sun ......... (not shine) since five o'clock. 1. hasn't been shining 2. has be shining 3. has been shineing 4. has been not shining .. you ...... (write) a report for half an hour? 1. Have, been writeing 2. Has, been writting 3. Have, been writting 4. Have, been writing