单项选择题

The last half of the nineteenth century ______ the steady improvement in the means of travel.

A．has witnessed
B．was witnessed
C．witnessed
D．is witnessed
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单项选择题
Tina: Mmm... This is the best pudding I’’ve ever had! Lyle:______ I know you’’d like it.

A．Did I say it right
B．Didn’t I tell you
C．What did I say
D．Is what I said right
单项选择题
Becoming aware of our mother''s age, not just in numbers of years but ______her psychological and physical state, often helps us to understand her better.
A．in spite of
B．in terms of
C．on account of
D．by means of
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