Answer the questions. put the verb in brackets into the present perfect. model: is his article ready? (write) yes, he has written it. 1)are her rooms clean? (do) 2)is our dinner ready, mother? (cook) 3)does she know the poem? (learn by heart) 4)do you know this sort of pencil? (use) 5)does he know how nice the cake is? (eat) 6)do you know that your gloves are on the table? (find) 7)is bobby's fase clean? (wash) 8)do you know how beautiful these songs are? (hear)