You’d better try different ways you can think of maths problems. It’s good for you to learn maths well.
----- 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!
-----Wow, Anna, you look so great in your new coat!-----Thanks. I ______ it when it was on sale.
You had better say “Thank you” when you __________ with the medal.