—______ do you write to your pen friend?—Once a week.A. How long B. How soon C. How often
I have a friend __________ Millie.
--- Which city do you want to_______? ---I want to go to Beijing.
--- Do you have any problems _______ your maths? --- No, I don’t. But I need some help _____ my English.
Sam spends _____ time ______ CDs than Daniel.
When something ______ me, I always feel ______.