What colour sweater do you like ,green ______ blue?
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.
-----Jack, could you help me _______ more information about the bad effects of the hazy weather on the Internet?-----With pleasure