单项选择题
A.have been B.had been C.having been D.has been
The casual attitude in the US does not mean（）no hierarc...
单项选择题The casual attitude in the US does not mean（）no hierarchy in US companies.
A.that is B.there is C.there are D.that are
Religion, politics or ethnic background should be touch...
单项选择题Religion, politics or ethnic background should be touched on（）.
A.cautiously B.cautiousness C.cautious D.caution
The negotiation will（）in a well-prepared, calm and prag...
单项选择题The negotiation will（）in a well-prepared, calm and pragmatic manner, all laced（）a substantial dose of humor.
A.proceed; with B.process; with C.process; in D.proceed; in
