Wechat is a kind of fast, convenient and fashionable ______method. It can be used in our mobile phone.—What’s more, we can use it for free.

John is fond ____ football, while his brother is crazy ____ music

依次填入下列横线处的词语，恰当的一组是（ ）泰姬陵是莫卧儿王朝君主沙贾汗为其宠妃蒙泰姬修建的 。这是一座 着宝石的伊斯兰建筑。后来，泰姬陵成为世界文化遗产。 在今天的众多的世界文化遗产中，它也是 的。

The fog in your city must have been very thick; if not, you would have been here as scheduled.—Yes. Our flight _________ by the thick fog.

I saw your mother at the hospital this morning . What’s the matter with her—Oh , _______.She is a doctor there.