选择恰当的单词填空。（1）（2）
I'm not good at ________ in Chinese. A．to writing B．to write C．writing
We learned a lot ________ field trips. A．with B．from C．in
I learned to ________ a lot of things. A．doing B．do C．does
We learned ________ from the reference books. A．a lot B．many C．a lot of
My studies in primary school ________ coming to an end. A．is B．are C．am
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