帮忙做几个冠词的英语题~~~(a,an,the, /)

帮忙做几个冠词的英语题~~~(a,an,the, /)
1.She has studied hard to seek ___ PhD after she received ___ MA
2. Things of ___ like kind come together, so do people of ___ like mind.
3. In fact, what you said is ___ bitter disappointment.
4.__ Mr.Jones called while you were out. He was in ___ very bad temper.
5.Paris is ___ most beutiful capital city. Kunming is ___ most beutiful tourist attraction in China.
还有一个：6.Later, ___ chance to enter ___ college came and she took it.
希望说明答案的原因~~~~