Present simple / present continuous 1. in my opinion, ice cream ( taste ) delicious. that's why i eat it every day 2. the joke you just told me wasn't funny. that is why l ( not laugh ) 3. i ( not understand ) science. it's too difficult 4. i'm single. i ( not have ) a girlfriend 5. you can't use this elevator at the moment. it ( not work ) 6. i'm surprised that she is a model. she ( not look like ) one 7. i'm awake now. i ( not sleep )