下列句子中，没有语病的一项是（ ）

My aunt has worked in a clinic ___ 1949.

在下面一段话的空缺处依次填入词语，最恰当的一项是恽寿平的花鸟画________北宋徐崇嗣，________了明代花鸟画中的写意法，笔触洒脱飘逸，以清秀柔丽代替了以往浓艳富丽的画风，饶有机趣，画作________。

Do you think you could successfully light the flame at the opening ceremony?—_______. This is not the first time for me.

You see how thin Ann is!——She ______ gain some weight but she______ toolittle