单项选择题

"Where can I find Jim" "He is ______ his work. He won’’ t leave the lab until 6:00 p. m."

A．on
B．over
C．at
D．under
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单项选择题
Gazing up into the professor’’s eyes, she seemed to ______ all he said.
A．take in
B．take over
C．take on
D．take to
单项选择题
The report found nothing in his muddied ______to merit prosecuting anyone.
A．treasure
B．money
C．finances
D．incomes
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