Ⅰ.单句语法填空
1．Due to ________(it) humor and irony (反语), xiangsheng has spread far and wide.
its [句意：由于具有幽默与讽刺的效果，相声广为流传。根据空后的“humor and irony”可知，空处应用形容词性物主代词。 ]
2．All in all, every student should behave ________(he) and keep away from violence.
himself [此处behave oneself为固定搭配，意为“举止得当”，此处需要用反身代词himself。]
3．The company and the effect ________ brought about did a great deal of good to our business in the market.
it [句意：这家公司及其所带来的影响对我们的业务有很大的好处。句中的it代指the company, it brought about为定语从句，先行词the effect作brought about的宾语，故省略了关系词which或that。]
4．It wasn't our idea, so don't blame ________ (we)．
us [动词blame后接宾格代词us作宾语。]
5．Doctors came into contact with voiced ________ (them) concern.
their [“医生发声，表示他们的关切”，concern是名词，其前应用形容性物主代词作定语。]
6．Our plants don't grow very well this year, but _______ (you) look really good.
yours [用名词性物主代词yours代指your plants。]
7．If you don't have a barbecue, you can borrow _______ (me)．
mine [“你可以借我的(烧烤架)”，用名词性物主代词mine代指my barbecue。]
8．The machine switches ________ (it) off when it has finished printing.
itself [“机器自动关机”，用反身代词itself作宾语。]
