题目内容：

_Hello!Golden Sun Hotel.Can I help you?_Do you have a room ()for this weekend?
A available B useful C empty D possible

优质解答

available是补足语,用来修饰room,修饰名词的放在前面叫定语,放在后面的叫补足语,是宾语补足语.
room是宾语,available是他的补足语.选A