请帮我解决英语问题1.American women are always fighting?their own righ

请帮我解决英语问题
1.American women are always fighting?their own rights.
A.for B.about C.of D.from
2.The government encourages people to keep?our country
A.support B.to support C.supporting D.supported
3.I showed keen in biology when i was in primary school.
A.interest B.interesting C.interests D.interested
4.Chinese population is about 1,300,000,000
A.A number of B.The number of C.A number for D.the number for
5.What?he all day last sunday.
A.does,research B.is,researching C.did,researched D.was,researching
6.Lang LAng has a gift for piano.
A.playing B.play the C.playing the D.marking the
7.I'm curious the machine works
A.of what B.about what C.about how D.of how
8.My old friend has helped me a lot .i am very grateful him
A.to B.for C.with D.at
9.Edison made great in science.He was a very inventor
A.success,successful B.succeed ,successful C.successful ,success D.success,succeed
10.Oh,Sally ,you are here .i think you can help me something.
A.Of B.on C.with D.like
11.That's a very heavy box .Let me help you.
----?,That's very kind you
A.Thanks,of B.with study,being C.to study ,being D.study ,to be
12.The poor girl kept for the who;e night .She felt very sleepy in class in the daytime.
A.to work B.worked C.work D.working