(多选题)19: 基本的服务包包括（ ）
A: 核心服务
B: 便利性服务
C: 支持性服务
D: 附属服务
1.(单选题)—Hello,YangLinspeaking. —________________ A.I am Carol. B.This is Ca...
1.(单选题)—Hello,thisisJohnspeaking.CouldIspeaktoMike — A.Of course you can. B...
1.(单选题)—Wow,thisplaceisamazing. —________________ A.It belongs to my grandp...
1.(单选题)—Hi,I'mMelindaSmith,thenewsecretary.Nicetomeetyouhere. —Hi,I'mMikeBr...
1.(单选题)—Hello,I'mDavidChen.Nicetomeetyou. —. A.Are you B.Nice to meet you t...
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