【C8】A．clerkB．salespersonC．ownerD．host

● Most of the host operating system provides a way for a system administrator to manually

【C6】A．clerkB．secretaryC．passer-byD．friend

A.choiceB.viewC.lessonD.host

The company hosted a（n) ______ for their new staf

Generally you should avoid business over a meal until your host gives a signalA.talk abou

寄生虫幼虫或无性生殖寄生的宿主为A.intermediate hostB.reservoir hostC.carrierD.final hostE.