1. the sun a) did,rose b) have,risen c) are,rise d)has risen 2. born? a)do b) did c)were d)are 3. when collect stamps? a) did,begun b) does,begun c) has,begun d) will, begun 4. what does this a) means b) mean c) meant d) meaning 5. the car looks clean. when ? a) have you cleaned b) do you clean c) will you clean c) did you clean