Надо, будте present simple, continuous. 1 a: i(think) of buying a new camera. b: yes, (think) that is a good idea. 2 a: (you/look) at? b: these photos. the (look) very familiar. 3a: (you/taste) the food? b: i want to make sure it taste) delicious. 4a: (you/have) lunch now? b: no. (have) a sandwich in my bag to eat later 5 a: (you smell) that flower? b: to see how (smell).