1.Besides money,we have enough time.= We have enough time and money as well.
2.The child is clever.And he is polite,too.
=The child is clever as well as polite.
3.keep短语：跟上keep up with 写日记keep a diary 守望keep watch （使）不接近；远离keep ...away from
4.casually 为副词,可以用来表示"随便的,不拘于礼节的",casual clothes"便服"
I'm used to dressing casually.我习惯于穿便服.(翻译）
5.able为形容词,指"有能力的".be able to "能够做...".
6.can表示“能力、能够”时,只有现在时和过去时,can和be able to 可以连用；
be able to 有现在时、过去式、将来时和完成时等4种时态.
7.fall 作为动词,意为“落下”.fall----fell----fallen
欢迎追问!fall短语：落后...的后面，输给________从......落下________降临，来临_______从......掉落_______生病_______落后...的后面，输给fall behind从......落下fall from降临，来临fall on从......掉落fall from(不确定，跟上上个不是一样吗？）生病fall ill