–Listen! Someone is playing ______ piano.
–Wow! What beautiful music! I like it very much
A:a
B:an
C:the
D:/
is the first month of a year.
Mary ____ (have) a new computer.
把肯定句改成否定句
①作为一名少先队员要讲一点文明。
②这次活动的经过你很清楚。
篮球的单价是____.