单项选择题

A．if the problem was challenging B．as the situation bec……

Several of the administrative participants recognized the support and leadership from their institution's chief executive officers as a serious motivating factor at those moments _________.

A．if the problem was challenging
B．as the situation became serious
C．when the challenges seemed overwhelming
D． which the counterpart grew manipulating

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热门试题

单项选择题At that time no one's even studied the problem, _________ tried to do anything about it.

A．not to say
B．far more
C． in no way
D． much less

单项选择题Well, really _________ now is start learning what to do with this software and read a lot of tutorials, learn and practice _________ you can.

A．what you should do; as much as
B．that you need do; whatever
C．how you should start; the most
D．as should you do; the longest hours

单项选择题The women ran down to assist them in bringing up their seals; but no sooner _________ the house than a voice was heard in the passage, and a man entered.

A．after they re-enter
B．had they re-entered
C．were they to re-enter
D． when they had re-entered

单项选择题It was odd that you _________ for Margie's address. I just got a letter from her—the first one since her family moved on August 1 1983.

A．should have asked
B．would have asked
C．shall ask
D．might ask

单项选择题It's freezing outside; you'd better _________ black ice when you drive home.

A．look down on
B．check up on
C．watch out for
D．keep out