The taxi driver was put in prison because his car had knocked down a child. His wife went to ______ prison to see him twice a month.

单项选择题The two girls are getting on very well and share ______ with each other.

单项选择题Americans eat ______ vegetables per person today as they did in 1910.

A．more than twice
B．as twice as many
C．twice as many
D．more than twice as many