Scientists still wonder whether cloning will help or harm us and where it ____ us

I _____ sooner but I didn’t know that theywere waiting for me．

* — Tom, you your homework— Not yet. I will do it tomorrow morning.

You seem to be on top of the world. — Of course. There’s more exciting than seeing your name in print.

raid Mr Wood can’t see you until 4 o’clock;–Oh, ______ I won’t wait