Mary and Gina are my cousins. _____father works in Dongfeng Company.

Xishuangbanna which ______ its beautiful scenery makes me really excited.

He didn’t make _____ clear when and where the meeting would be held.[ ]

Does she often get to school ____________ bus—Yes, quite often.

下列交际用语使用得体的一项是 （     ）