问题
选择题
They had learned six new lessons ___ the end of last week.
A．in
B．at
C．by
D．to
答案
答案：C
in the end意思是:最后,后面不接of, at the end of意为:在…尽头; by the end of到….为止/在….之前.
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They had learned six new lessons ___ the end of last week.
A．in
B．at
C．by
D．to
答案：C
in the end意思是:最后,后面不接of, at the end of意为:在…尽头; by the end of到….为止/在….之前.