A-A+
The indoor swimming pool seems to be a great d
问题详情
The indoor swimming pool seems to be a great deal more luxurious than________.
A．is necessary
B．being necessary
C．to be necessary
D．it is necessary
参考答案
正确答案：A
解析：语法结构。此句中，than为关系代词，相当于than (prep．) what。当然，可以更简洁地说成than necessary。
