Kathy______ spend time preparing for the exam.AKathy______ spend time preparing for the exam.A.doesn't need to.B.needn't toC.doesn't need.D.needs

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Kathy______spendtimepreparingfortheexam.AKathy______spendtimepreparingfortheexam.A.doesn''tneedto.B.n

Kathy______ spend time preparing for the exam.AKathy______ spend time preparing for the exam.A.doesn't need to.B.needn't toC.doesn't need.D.needs
Kathy______ spend time preparing for the exam.A
Kathy______ spend time preparing for the exam.
A.doesn't need to.B.needn't to
C.doesn't need.D.needs

Kathy______ spend time preparing for the exam.AKathy______ spend time preparing for the exam.A.doesn't need to.B.needn't toC.doesn't need.D.needs
need作情态动词后加动词原形,否定用neednt,多用于否定句或疑问句,无人称变化;作行为动词否定用doesnt/dont need,后加不定式.故选a

B

A

doesn't need to
或者: needn't

如不明白请追问,要是满意请【采纳】
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b

B 不需要用的是need'nt

B need to do否定在to前加not

d

A

是C啊