You can buy many sweaters _____ a very good price..A. on B. in C. at
-- Can you play the guitar? -- No, I _____ .But I _____ play the piano
The red shoes ________88 yuan.
—_______ is your favorite teacher? —Mr. Yang. We all like him.
I like math. It’s difficult ________ really interesting.
—Is the black dog yours? —No it isn’t. It’s my ______ A. grandparent’s B. grandparents C. grandparents’