We laugh at jokes, but seldom about how they work. A．we think B．think we C．we do
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We laugh at jokes, but seldom ____________ about how they work.
A．we think B．think we C．we do think D．do we think
试题答案
D
We laugh at jokes, but seldom ____________ about how they work.
A．we think B．think we C．we do think D．do we think
D