The difference in achievement between the pupils arepartly ________by their differences in age

I don’t know how to do it well. — Don’t worry. Here are some ________.

I have bought a Chinese – English dictionary — When and where_____ you _____ it

下列句子中加下划线词语的意义，古今意义完全不同的一项是①悦亲戚之情话 ②抚孤松而盘桓 ③海运则将徙于南冥 ④既窈窕以寻壑 ⑤奚惆怅而独悲 ⑥千里逢迎，高朋满座 ⑦三餐而反，腹犹果然 ⑧辩乎荣辱之境

If it _________rainy tomorrow, I _______home.