Are the following sentences correct? put a tick.are they incorrect? change the underlined words.1)i think victoria is a singer.2)there are the thousand people waiting for the famous actor.3)svetlana can play the piano really well.4)is tim in a bathroom? 5)sara is the farmer.6)olga,have you got an apple,please? 7)i'm in the kitchen! come in! 8)can you play a guitar?