---Hello,Holiday Hotel.Can I help you?---Do you have a room ______ for this weekend?A.possible B.useful C.empty D.available

问题描述:

---Hello,Holiday Hotel.Can I help you?---Do you have a room ______ for this weekend?
A.possible B.useful C.empty D.available

答案 D.available 可用的,空闲的
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.