57. Among the things Google __ to Play, its new online store,
were the mobile apps formerly housed in its Android market.
请问一下 答案为何是added 而非adding
这不是考分词构句的概念吗?
60. In 1982, Larry rose three miles above Los Angeles ___ to
a seat attached to a huge column of green , red, and yellow balloons.
(A)strap (B) strapped himself (C)while strapped (D) to strap
请问一下答案为何为C
是因为分词构句吗?
原句完整为何呢?
可以请版友们帮忙解惑一下吗?
谢谢

Among the things (that) Google added to play 这里没有分词构句的问题喔

第一题是“复合关代”的题目。第二题是由[while Larry is strapped.....]这句副词子句省略主词Larry和being的分词构句。副词连接词while会保留下来是因为不保留的话语意不清楚。