下列句子中“而”字的用法归类正确的一项是（ ）①青，取之于蓝，而青于蓝 ②吾尝终日而思矣 ③顺风而呼 ④而闻者彰 ⑤蟹六跪而二螯 ⑥于是秦人拱手而取西河之外 ⑦吾从而师之 ⑧而耻学于师 ⑨狗彘食人食而不知检

It was after years of hard work that hisdreama lawyer finally.

We’ve decided _______ on a trip this afternoon. Will you join us — I’m afraid not. I have some problems ___________ out.

Remember to turn off the lights before leaving the classroom, children.— .

下列句子中，没有语病的一句是（3分）