单项选择题

______ enough time and money, the researchers would have been able to discover more in this field.

A．Giving
B．To give
C．Given
D．Being given
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单项选择题
Brown bread and butter ______ usually eaten with smoked salmon in the west.
A．is
B．are
C．were
D．was
单项选择题
______ any one should think it strange, let me assure you that it is quite true.
A．In order that
B．Lest
C．If
D．Providing
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