To begin some activity is to _____ doing it.
C
暂无解析
Tobe____forthecorporateshareholder'sprogram,youmusthavebeenworkinghereforatleastthreeconsecutiveyears.
Youshouldnothavedriventhatcarwithitsbrakesoutoforder.You_____aserious
Anyvisitorstotheproductionfacilitiesmust____asecuritypassfromtheinformationdeskatthefrontentrance.
Studentsenrolledasfull-timecanfully____intheuniversityextracurricularclubs.