— Why not swim in this river?— My father told me here. It’s dangerous.
----- I’m going to visit my aunt this weekend. She was very kind to us when we were at her home last time, remember? -----Of course I do. _______.
----- I forgot my mother’s birthday! -----_______ You’d better keep it in mind next year.
----- How soon will you start your journey? -----I’m not sure. I haven’t decided ________.
I never doubt ______ the science museums are worth_______.
-----Jenny, you should prepare as much as you can______ the coming guitar competition successfully! -----Sure, I will try my best, Mr. Brown!