(单选题)1: 绘制断裂处的边界线时使用（ ）。
A: 双点划线
B: 双折线
1.(单选题)—Pleasegivemeahandtoprintoutthereport,won'tyou —________________ A.Y...
1.(单选题)—Hello,thisisJohnspeaking.CouldIspeaktoMike — A.Of course you can. B...
1.(单选题)—Iwouldliketomakeanappointmentforthemeeting.Whichdaywouldyouprefer,Tu...
1.(单选题)—Hey,Derek,whichdoyouthinkishardertolearn,marketingordesigning — A.I...
1.(单选题)—It'srathercoldinhere.DoyoumindifIclosethewindow —________________ A...
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