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【简答题】
1×1.3-8÷1.3+1.9×1.3+11.9÷1.3=______．
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】His homework______, but it _____.
A.
needs correcting; needn’t rewriting
B.
need be corrected; doesn’t need to be rewriting
C.
needs correcting; needn’t be rewritten
D.
needs to be corrected; needn’t to be rewritten
【单选题】He really _____ do the exercise once again. [ ]
A.
needs to
B.
needs
C.
need
D.
needn't to
【单选题】The car needs repairing,________?
A.
needn’t it
B.
doesn’t it
C.
mustn’t it
D.
won’t it
【简答题】照相机的原理是小孔成像原理。
【单选题】Your sister ______ any help. [ ]
A.
need not
B.
needs not
C.
needs not to
D.
doesn't need
【简答题】摄影基本原理是小孔成像，而照相机运用的是（ ），也就是凸透镜聚焦成像原理。
【单选题】His father ______ any help. [ ]
A.
need not
B.
needs not
C.
doesn't need
D.
needs not to
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