单项选择题

All the references she has obtained for her doctoral dissertation ______ about twenty items.

A．make up for
B．add up to
C．come up with
D．put up with
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单项选择题
He likes to swim ______.
A．and playing football
B．and he also likes playing football
C．and to play football
D．and he likes to play football
单项选择题
The senator was made to digress time and again from the main point of his speech because of the red ______ constantly ______ by his opponents in the audience.
A．tomatoes, thrown out
B．herrings, brought up
C．apples, put forward
D．mullets, laid down
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