Do you know the answer _______ the question. A. to B. of C. at D, in
I can play _____ piano, but I can’t ______ dumplings.
The film is very ______and I was _____in it.
---How many times _____you ______to Xi’an this year? ---Three times.
---______ are you going with for vacation? ---My parents.
Thanks for _______ me to your party.