Life is always filled ____ sadness and happiness.

He ______ a chance to try it again just now.

She devoted herself __________ to herresearch and it earned her a good reputation in her field.

下列选项中都有古今异义词的一项是（ ）①腹犹果然 ②千里逢迎 ③臣少多疾病，九岁不行 ④奚惆怅而独悲 ⑤众人匹之，不亦悲乎 ⑥是以区区不能废远 ⑦悦亲戚之情话 ⑧时运不齐,命途多舛 ⑨既窈窕以寻壑 ⑩臣欲奉诏奔驰

The actress is already 50, but she looks ______ than she really is.