“多闻博识，知之次也”和“生而知之者上”两句中“知”的意思相同
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---What _____your mum______last night? ---She was doing some housework.
A. did;do
B. does;do
C. was;doing
D. were;doing
The children were_____ and____in the garden yesterday afternoon.
A. singing;danced
B. sang;danced
C. singing;dancing
D. sing;dancing
That white rabbit was_______ in a tree and it was _______.
A. sitting; smiling
B. sat; smiled
C. siting; smiling
D. sit; smile
He likes to play _______the guitar ______the piano.
A. not; or
B. not only; but also
C. both; or
D. either; and
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