头疼的语法题，请高人帮忙

czw69

39.eli whitney, born in westborough, massachusetts （in） 1765, was always interested in machines, （working ）in his father’s shop, （taking） apart （a watch ）and putting them back together.
答案b，应怎么改？

I think the answer is D. here them refers to watches. so a watch should be replaced by watches.

czw69

35. （throughout ）the 1930’s, united states government （patronage the ）arts （was concentrated） in the section of the works progress administration （known as） federal one.
答案b，但c好像也不对，应去掉was。
B中的动词patronage是名词. 应该去掉后面的 the.


应该用分词patronizing,修饰government. 名词不能带宾语.