－－Must we finish our homework now? －－No, you ______. You _______ finish it after school. A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
－－Must we finish our homework now? －－No, you ______. You _______ finish it after school.
A.needn't , may
B.mustn't , may
C.can't , can
D.needn't , must
相关考题：
PDM includes four types of dependencies or precedence relationships:().The completion ofthe successor activity depends upon the initiation of the predecessor activity. A.Finish-to-StartB.Finish-to-FinishC.Start-to-StartD.Start-to-Finish
9． _______you _______ stay at home today?A． Do ; have toB． Must; have toC． Have; toD． Do ; must
PDM includes four types of dependencies or precedence relation ships：(73)The completion of the successor activity depends upon the initiation of the predecessor activity．A．Finish-to-StartB．Finish-to-FinishC．Start-to-StartD．Start-to-Finish
PDM includes four types of dependencies or precedence relationships…(73)，the initiation of the successor activity，depends upon the initiation of the predecessor activity．A．Finish-to-StartB．Finish-to-FinishC．Start-to-StartD．Start-to-Finish
PDM includes four types of dependencies or precedence relationships: ...(18). The completion of the successor activity depends upon the initiation of the predecessor activity.A．Finish-to-StartB．Finish-to-FinishC．Start-to-StartD．Start-to-Finish
● Precedence Diagramming Method (PDM) is a method used in activity sequencing. There are four types of dependencies or precedence relationships in PDM. The initiation of the successor activity depends upon the completion of the predecessor activity is called __(75)__.（75）A．Finish-to-StartB．Finish-to-FinishC．Start-to-StartD．Start-to-Finish
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英文科技论文写作中应该尽量少用或不用I, we, our, 和you等第一、第二人称代词。