单项选择题

Every director needs an assistant that he can ______ to take care of problems that may occur in his absence.

A．count on
B．count for
C．count down
D．count out
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The Internet makes us better ______ than many years ago.
A．inform
B．informing
C．informed
D．to be informed
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I expected a more enthusiastic welcome, especially ______ it is the first time I have come here.
A．providing
B．comparing
C．supposing
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