单项选择题
The food is good at this hotel, but the____is poor; the waiters don’t seem to be well trained.(2012-74)
单项选择题 No food or drink is allowed on thepremises. The underlined part means______. (2013-76)
单项选择题 The chief of surgery became committee chairman by virtue of（）.(2014-72)
单项选择题 There were 150_____at the international conference this summer.(2010-68)
