单项选择题

On the giant plane there are ______ the jet needs.

A．twice engines than
B．twice as engines as
C．as twice many engines as
D．twice as many engines as
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单项选择题
When we have difficulty ______ desired objects or reaching desired goals we experience negative emotions such as grief and anger.
A．at obtaining
B．in obtaining
C．on obtaining
D．with obtaining
单项选择题
The suspect ______ that he had assaulted a woman.
A．refused
B．rejected
C．declined
D．denied
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