1.It is being repaired by a friend of my father's.
我父亲的一个朋友正在修复这架古钢琴。
知识点1：It is being repaired by...为典型的现在进行时的被动语态。
知识点2：名词的双重所有格结构：of+ -'s
a friend of my mother's我母亲的一个朋友
a picture of Lynn's林恩的一张照片
2.It was made in Germany in 1681.
这是一架1681年在德国制造的古钢琴。
知识点1：was made为过去时的被动语态。
知识点2：句型结构“be made+介词短语”
1）be made in somewhere在……地方制造
2）be made of由……制造（能看出原材料）：The bridge is made of wood.这座桥是用木头造的。
3）be made from由……制造（看不出原材料）：The beer is made from malt, hop and water.啤酒是麦芽、啤酒花和水酿制而成的。
4）be made into被制成了……：This diamond was made into a ring.这颗钻石被制成了一枚戒指。
5）be made by sb.被某人制造：That nice wood chair was made by my uncle.那把精美的木椅子是我叔叔做的。
