Pour chacune des phrases suivantes, trouver la question portant sur l'élément noté en gras. They've been watching series all day. He's been working on a new case. I've been sending e-mails to the whole family. She's been writing her diary. They've been travelling for a month. I've been helping you because I like you. He's been cooking for three hours. She's been hanging out with Mark. He's been listening to the same song all afternoon. She's been showering for half an hour.