Mr. Brown has stopped drinking since he ____ on.
After the Asian Games, ________ people came to Guangzhou for a visit during holidays.
Students shouldn’t go to school ________ breakfast. It’s bad for their health.
My family has two dogs. One is white, ________ is black.
Lin Shuhao is ________ good basketball player in the NBA. A. / B. a C. an D. the
---What ____________ you _____________ last weekend? ---I wrote some letters and read a book.