单项选择题

--Would you mind repeating what you said, I didn't ______.
--Of course not.

A．catch on
B．go on
C．keep on
D．insist on
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单项选择题
--What were you up to when she dropped in--I ______ for a while and ______ some reading.
A．was playing, was going to do
B．played, did
C．had played ,was going to do
D．had played, did
单项选择题
--I enjoyed myself so much at your birthday party.-- ______.
A．Oh, that's kind of you
B．Congratulations
C．Oh, I'm glad to hear that
D．It's a pleasure
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