【2014河南】 “Underground” is the only word in the English language _______ begins and ends with the letters “und”.
As a student, I can’t afford __________ a new mobile phone.
English is not easy, but I never __________.
Your help made __________ for me to work out this problem.
I don’t think _______ Maths is easy.
Thanks for _________ the new chairperson.